C100/B&C Exposure Times

Date of last modification: Oct 29 2010, 06:15 pm Chilean time.




          Standard Stars

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Star         RA  (2000)  DEC     V        Time
                                         (sec)
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LTT 377   00:41:46.6 -33:39:10 11.229     40
LTT 1020  01:54:49.7 -27:28:29 11.522     40
EG 21     03:10:30.4 -68:36:05 11.379     40
LTT 1788  03:48:22.2 -39:08:35 13.155     80 
LTT 2415  05:56:24.2 -27:51:26 12.214     60 
Hilt 600  06:45:13.5 +02:08:15 10.441     20
LTT 3218  08:41:33.6 -32:56:55 11.858     40   
LTT 3864  10:32:13.8 -35:37:42 12.171     60 
LTT 4364  11:45:50.0 -64:50:30 11.504     40
Feige 56  12:06:39.7 +11:40:39 11.057     40
LTT 4816  12:38:50.7 -49:47:58 13.794     80 
CD 32     14:11:46.3 -33:03:15 10.452     20
LTT 6248  15:38:59.8 -28:35:34 11.797     30
EG 274    16:23:33.7 -39:13:48 11.029     30
LTT 7379  18:36:26.2 -44:18:37 10.225     20
LTT 7987  20:10:57.1 -30:13:03 12.230     40 
LTT 9239  22:52:40.9 -20:35:27 12.068     40
Feige 110 23:19:58.3 -05:09:56 11.826     40
LTT 9491  23:19:35.2 -17:05:28 14.112    120 
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  • A list of Spectrophotometric Standard Stars may be found here Standards for telluric features correction -------------------------------------------------------------- Star RA (2000) DEC V Time (sec) -------------------------------------------------------------- L745-46A 07:40:20.9 -17:24:42 13.0 300 DF,Bessell99 LTT 4364 11:45:50.0 -64:50:30 11.504 120 EG131 19:20:35.0 -07:40:00 12.28 120 Bessell99 NGC 7293 22:29:38.6 -20:50:14 13.5 240 PN central star LTT 9491 23:19:35.4 -17:05:28 14.1 300 DC,Bessell99 -------------------------------------------------------------- One telluric standard with narrow slit (followed by a comparison lamp). Click on the star name to get a finding chart. Supernovae ------------------------------------------------------------------------------------------------ Name spectr. Priority RA DEC Comments (1 is highest) (2000.0) ------------------------------------------------------------------------------------------------ SN2010iy 3x900 1 18:36:36.91 -47:03:15.7 spec. class, V~16.0 SN2010il 3x900 1 20:29:53.12 -02:11:24.7 Ib/c V~15.5 SN2010hv 3x900 1 23:24:25.30 -19:02:14.4 type II V~16.5 SN2010iu 3x900 1 00:40:02.48 -56:09:29.9 Ia - V~15.0 SN2010iv 3x1200 1 04:03:52.23 -43:25:38.5 V~17.5 Ia, young CHASE_PGC18293 3x1200 1 06:02:04.3 -58:36:36 spec. class, V~18.0 SN2010ih 3x500 1 07:02:43.627 -28:37:25.25 Ia V~13.3 SN2010hg 3x600 1 09:46:13.7 -30:27:13.3 Ia SN2010ev 3x900 3 10:25:28.99 -39:49:51.2 Ia old 2 - 3 Spectrophotometric standards with wide slit One telluric standard with narrow (high s/n) slit. ------------------------------------------------------------------------------------------------ Note: In general, we should orient the slit along the paralactic angle. However, if the SN is located close to the host it might be necessary to pick a different and more convenient angle to avoid contamination of the host. If so, it would be convenient to observe the SN at a low airmass. The finding charts can be found HERE and/or HERE.