filename: Jumbo_bas/data2/bas/data/landolt-42inch-std-flds.txt version: 2024 Feb 9 field center approx exposure times (sec) remarks name (J2000) B V I u z SA 140-84 0 04 09 -28 44 5 2 200 0.50 < B-V < 1.29 GD 2 0 07 35 +33 24 15 8 50 -0.30 < B-V < 1.8 HD 2892 0 31 55 +01 06 45 12 2 60 0.49 < B-V < 1.32, red high wt std u 300s at high sec z SA 20 SF1+3 0 45 10 +45 52 30 3 1.5 8 10 -0.05 < B-V < 1.08 SA 20 SF4 0 46 27 +46 06 4 3 20 0.09 < B-V < 1.09 NGC 253-SW 0 46 40 -25 24 8 4 40 6 0.29 < B-V < 0.98, Wrn center 0 47 00 -25 24 Ern center SA 92-342 0 55 19 +00 40 0.44 < B-V < 1.05 SA 92-507 0 56 38 +01 06 36 0.48 < B-V < 1.07 HD 5505 0 56 38 +01 49 5 1.5 20 -0.08 < B-V < 1.08 Collinder 21 1 50 12 +27 07 1/10 0.8/10 6/60 0.5 < B-V < 1.27 GD 279 1 52 35 +46 59 15 5 60 0.09 < B-V < 1.37 SA 93-326 1 54 50 +00 46 36 10 4 6 0.45 < B-V < 1.08 LTT 1020 1 55 15 -27 33 30 15 180 0.42 < B-V < 1.28 NOS 1 2 10 58 +36 26 20 12 60 0.28 < B-V < 1.09 HD 15285 2 27 21 +04 23 3 1.5 12 0.02 < B-V < 1.40, red/blue extin pair PG 0231+051 2 33 42 +05 20 30 10 15 120 7 0.43 < B-V < 1.17 NGC 1097 2 47 10 -30 17 50 20 300 0.52 < B-V < 1.23 Teegarden star 2 52 47 +16 53 50 20 15 300 12 0.6 < B-V < 1.76 SA 94-308 2 56 27 +00 27 3 1.5 30 0.41 < B-V < 1.43, brtr red/blue pair SA 94-251 2 57 30 +00 17 15 10 0.30 < B-V < 1.22, fntr red/blue pair SA 94-702 2 57 49 +01 04 30 20 8 120 0.53 < B-V < 1.42 Feige 29 2 57 34 -01 51 30 5 1 20 -0.11 < B-V < 1.53 NGC 1360 3 33 30 -25 58 30 10 5 60 -0.35 < B-V < 1.08 SA 23 SF1 3 44 20 +45 07 15 5 2 200 5 0.19 < B-V < 1.88, u 300s at high sec z SA 23 SF2 3 44 44 +45 20 40 0.17 < B-V < 1.10 SA 95-96 3 53 18 -00 04 0.15 < B-V < 1.27 SA 95-330 3 54 39 +00 31 30 0.69 < B-V < 2.00 SA 95-134 3 55 20 +00 05 0.45 < B-V < 1.59 HD 24482 3 54 40 +18 30 20 0.38 < B-V < 1.87 Landolt Tau 1 4 11 55 +27 01 30 4 2 2 20 5 0.20 < B-V < 1.36 HD 27482 4 21 25 +27 15 0.50 < B-V < 2.05 SA 96-406 4 52 58 +00 20 30 0.22 < B-V < 1.34 HD 284115 5 02 55 +24 00 5 1 30 B-V=1.65, in separate field NGC 1746 5 03 40 +23 42 20 5 4 30 0.24 < B-V < 1.7 G 191-B2B 5 05 30 +52 48 30 12 4 30 -0.33 < B-V < 1.57 Berkeley 17 5 20 21 +30 35 30 0.31 < B-V < 1.75 NGC 1904-NW 5 23 39 -24 21 10 7 7 75 0.04 < B-V < 1.36 HD 36395 5 31 42 -03 35 6 1 50 0.15 < B-V < 1.47, M dwf UBV primary std SU Tau 5 49 04 +19 04 20 0.09 < B-V < 2.08 GD 71 5 52 18 +15 53 8 4 30 -0.25 < B-V < 1.82 LTT 2415 5 56 07 -27 50 15 6 180 0.06 < B-V < 1.42, careful centering E-W SA 97-75 5 58 20 -00 02 0.44 < B-V < 1.87 NOS 2 6 23 47 +36 44 30 0.34 < B-V < 1.29 NGC 2244 6 32 04 +05 00 2 1 10 0.10 < B-V < 1.09, intermed-blue U-B SA 26 SF1 6 43 00 +44 45 06 8 2.5 40 0.51 < B-V < 1.12 SA 26 SF4 6 44 54 +44 30 54 5 4 45 0.26 < B-V < 1.7, red * var NGC 2281 6 48 18 +41 04 36 2 1.5 12 intermediate-blue stars SA 98-618 6 52 09 -00 22 -0.00 < B-V < 2.19 BD+05 1668 7 27 12 +05 09 7 3 15 0.10 < B-V < 1.56, M dwf UBV primary std NGC 2419-SW 7 37 41 +38 48 1.7/20 1/10 10 0.15 < B-V < 1.17 HD 63772 7 51 12 +20 56 30 4 2 15 0.26 < B-V < 1.65, planet std SA 99-438 7 55 40 -00 20 2 2 5 -0.16 < B-V < 1.56 NGC 2527 8 05 00 -28 07 30 3 2 20 0.03 < B-V < 1.03 SA 76-280 8 21 35 +14 42 5 2 20 0.30 < B-V < 1.28 NGC 2613 8 33 18 -22 54 5 3 30 -0.05 < B-V < 1.62 Praesepe-N 8 39 43 +20 05 1 0.5 6 0.22 < B-V < 1.29 NGC 2682 8 51 24 +11 49 30 2/60 0.5/40 20 -0.07 < B-V < 1.37 SA 100-162 8 53 07 -00 46 10 2 60 0.16 < B-V < 1.28 HD 79097 9 11 45 -06 52 8 0.8 50 0.25 < B-V < 1.63 CD-28 7246 9 25 06 -28 33 30 30 6 90 -0.22 < B-V < 1.48 SA 29 SF5 9 46 57 +44 19 30 5 5 30 0.35 < B-V < 1.12 MCG -05-23-16 9 47 24 -30 52 60 20 200 0.21 < B-V < 1.20 SA 101-324 9 55 24 -00 23 24 5 300 0.49 < B-V < 1.16 NGC 3109 10 03 00 -26 07 60 15 200 -0.03 < B-V < 1.26 Wolf 358 10 50 50 +06 52 2 1 10 -0.03 < B-V < 1.65 60 10 200 for Wolf 358 only Wolf 359 10 56 20 +07 07 60 30 200 0.58 < B-V < 2.03 G 163-50 11 07 45 -05 14 20 8 100 0.03 < B-V < 1.50, incl G 163-51 Ross 128 11 47 39 +00 52 60 20 300 0.61 < B-V < 1.75 SA 103-302 11 56 40 -00 39 15 7 60 0.37 < B-V < 1.10 NGC 4147-NE 12 10 34 +18 37 3 1 30 -0.06 < B-V < 1.14 3C 273 12 28 31 +01 58 30 8 300 0.44 < B-V < 1.48, careful centering E-W M104 jaws 12 38 25 -11 26 3 0.7 15 0.15 < B-V < 1.55 NGC 4590-S 12 39 16 -26 55 15 3 100/200 0.44 < B-V < 1.17 SA 32 SF4 12 56 50 +43 59 30 20 5 120 10 0.40 < B-V < 1.07 PG 1323-086 13 25 36 -08 49 20 30 15 120 40 -0.14 < B-V < 1.01 1.2 0.7 6 bright trio only Wolf 485 13 30 03 -08 41 10 3 30 0.06 < B-V < 1.67 200 100 for Ross 476 SA 105-205 13 36 16 -00 55 45 8 2 90 0.43 < B-V < 1.36, ignore vbr * HD 118704 13 38 16 -08 30 3 1.5 15 0.46 < B-V < 1.26, planet stds HD 119869 13 45 38 -07 43 30 4 2 15 0.46 < B-V < 1.05, planet std IC 4329A 13 49 20 -30 19 50 15 200 0.47 < B-V < 1.00 NGC 5694-S 14 39 25 -26 41 12 5 75 0.40 < B-V < 1.47 SA 106-700 14 41 00 -00 22 15 4 100 0.48 < B-V < 1.36 HD 134439 15 10 13 -16 23 7 3 60 0.73 < B-V < 1.60 NGC 5897-NW 15 16 56 -20 56 40 10 300 0.51 < B-V < 1.72 BD-07 4003 15 19 26 -07 35 45 12 300 0.49 < B-V < 1.60, M dwf UBV primary std SA 107-347 15 38 51 -00 27 30 20 4 200 0.55 < B-V < 1.31 LTT 6248 15 39 00 -28 35 12 4 60 0.49 < B-V < 1.57 HD 140850 15 45 57 -01 18 8 2 50 0.48 < B-V < 1.67 SA 35 SF4 15 52 09 +44 30 12 30 15 100/300 0.43 < B-V < 1.51, long exp for red * SA 35-526 15 54 20 +44 57 3 1.5 10 0.16 < B-V < 1.25 NGC 6093-SW 16 16 55 -23 03 30 2.5 2 20 0.32 < B-V < 1.27 SA 132-801 16 18 40 -15 09 60 15 300 0.82 < B-V < 1.81 GSPC P330-E 16 31 24 +30 15 15 5 150 0.50 < B-V < 1.18 PG 1633+099 16 35 26 +09 46 30 10 5 6 60 5 0.37 < B-V < 1.48, color excl PG star SA 108-551 16 37 28 -00 37 12 5 50 8 0.18 < B-V < 1.38 vB 8 16 55 19 -08 20 10 2 90 0.38 < B-V < 1.70 (vB 8 B-V=2.30) HD 154363 17 04 39 -05 08 30 3 0.7 30 0.73 < B-V < 1.62, UBV primary std pair NGC 6341-SE 17 17 52 +43 01 12 5 36 0.35 < B-V < 1.50 GSPC S454 17 20 38 -29 19 2.5 1 30 0.17 < B-V < 1.94 NGC 6401 17 38 32 -23 53 10 20 20 0.43 < B-V < 1.95 SA 109-231 17 45 20 -00 26 15 2.5 120 0.60 < B-V < 1.74, high airmass exp: 40,5,200 (BVu) Barnards star 17 57 42 +04 40 12 4 0.5 60 0.5 0.36 < B-V < 1.74 SA 110-353 18 41 50 +00 13 12 2 40 0.31 < B-V < 2.00 SA 110-273 18 42 56 +00 01 0.51 < B-V < 2.50 SA 110-502 18 43 30 +00 28 30 10 4 50/150 0.48 < B-V < 2.87; u exp for brtr/fntr stars SA 38 SF2 18 48 17 +45 23 7 4 30 0.29 < B-V < 1.27, partly overlapping flds SA 38 SF3 18 49 25 +45 14 5 1.5 5 75 10 0.29 < B-V < 1.27 (fields are near R Lyr) NGC 6720-SE 18 53 45 +32 57 Henden fld incl RX Lyr + Ring Nebula SA 111-773 19 37 00 +00 15 30 3 1.5 12 0.21 < B-V < 1.74 SA 111-1969 19 37 47 +00 26 30 30 10 1 150 1.2 0.40 < B-V < 1.96 NGC 6823 19 43 06 +23 19 30 5 3 15 0.40 < B-V < 1.97, intermed-blue U-B LTT 7987 20 10 50 -30 14 20 7 100 0.06 < B-V < 1.48 KB61 +38 101 20 18 42 +38 18 20 15 15 20 30 30 -0.30 < B-V < 2.06 GSPC S596 20 19 54 -19 53 30 10 4 3 60 6 0.58 < B-V < 1.52 IC 4997 20 20 27 +16 48 20 5 3 3 20 15 -0.01 < B-V < 1.59 GD 391 20 29 44 +39 13 4 3 15 -0.15 < B-V < 1.3 SA 112-636 20 41 52 +00 16 10 4 60 0.40 < B-V < 1.60 SA 112-275 20 42 28 +00 13 12 15 4 2 100 4 0.15 < B-V < 1.53 Mrk 509 20 44 09 -10 43 40 15 8 100 15 -0.24 < B-V < 1.67 NGC 7013 21 03 33 +29 54 6 3 40 -0.01 < B-V < 1.80 French Toadstool 21 07 16 +16 19 5 1.5 1 30 1.5 0.26 < B-V < 1.59 SA 113-442 21 41 12 +00 45 20 8 3 30 0.45 < B-V < 1.16 BD+28 4211 21 50 42 +28 56 6 6 4 8 6 -0.34 < B-V < 1.5 SA 41 SF2 21 54 18 +45 15 6 5 2 45 4 0.29 < B-V < 1.74 NOS 6 21 56 27 +35 25 30 5 3 300 5 0.61 < B-V < 1.49 PKS 2155-304 21 58 40 -30 16 8 5 30 0.40 < B-V < 0.90 BL Lac 22 02 30 +42 16 30 30 20 10 180 10 0.46 < B-V < 1.68; VR exp 30s BD+17 4708 22 11 03 +18 09 4 3 20 8 0.19 < B-V < 1.08 GSPC S746 22 24 12 -09 49 4 1 90 1 0.53 < B-V < 1.41 NGC 7293 22 29 23 -20 51 20 5 60 -0.37 < B-V < 1.15 SA 114-750 22 41 40 +01 08 8 4 5 60 12 -0.04 < B-V < 1.36 SA 114-SW 22 41 35 +00 01 30 15 90 10 0.63 < B-V < 1.14 LTT 9239 22 52 15 -20 42 90 45 300 0.57 < B-V < 1.50 GD 246 23 12 48 +10 44 3 1.5 12 -0.32 < B-V < 1.10 BD+37 4803 23 16 50 +38 05 3 1 40 0.43 < B-V < 1.54, red/blue extin pair NGC 7686 23 30 02 +49 12 1 0.5 0.5 7 0.5 0.0 < B-V < 1.9 SA 115-271 23 43 04 +00 51 30 4 1.2 30 1.2 0.55 < B-V < 1.07