NTT/EFOSC2 Exposure Times
 
Date of last modification: Mar. 15 2009, 12:00 pm Chilean time.


        Supernovae for spectroscopy and photometry (sorted by local time of observation)

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Name           spectr.         Priority         RA          DEC             Comments
                             (1 is highest)        (2000.0)
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SN 2008ge      3x900             2           04:08:24.68  -47:53:47.4       Old 02cx-like
SN 2009ab      3x600             3           04:16:36.39  +02:45:51.0 
SN 2009K       3x500             1           04:36:36.77  -00:08:35.6 
SN 2009ad      3x500             2           05:03:33.38  +06:39:35.7 
SN 2009ag      3x500             1           07:11:40.81  -26:41:06.3 
SN 2008hv      3x900             3           09:07:34.06  +03:23:32.1 
SN 2009ao      3x600             2           09:38:08.54  +09:31:00.7 
SN 2008if      3x900             2           09:20:23.47  -07:52:33.1       
SN 2009al      3x600             1           10:51:22.07  +08:34:42.7 
SN 2009P       3x900             3           11:20:38.78  -03:32:46.3 
SN 2009aa      3x600             2           11:23:42.28  -22:16:14.5 
SN 2008in      3x400             1           12:22:01.77  +04:28:47.5 
SN 2009N       3x400             2           12:31:09.00  -08:02:56.3 
SN 2009au      3x500            1.5          12:59:46.00  -29:36:07.5  
SN 2009aj      3x400             1           13:56:45.33  -48:29:36.2 
SN 2009Z       3x900             3           14:01:53.61  -01:20:30.2       
SN 2009Y       3x300             3           14:42:24.55  -17:14:46.3       Close to the Moon 
SN 2009ap      3x500             1           17:26:43.23  -59:55:57.9       Needs classification 

                                 Galaxies that need redshift
None

2 - 3 Spectrophotometric standards with wide slit
One telluric standard with narrow slit (high s/n).

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Note: For ACTIVE SNe 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.


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          Spectrophotometric Standard Stars

----------------------------------------------------
Star         RA  (2000)  DEC     V        Time
                                         (sec)
----------------------------------------------------

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
L745-46A  07:40:20.9 -17:24:42 13.0       80
LTT 3218  08:41:33.6 -32:56:55 11.858     40
LTT 3864  10:32:13.8 -35:37:42 12.171     40 
LTT 4364  11:45:36.6 -64:50:24 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     40
LTT 6248  15:38:59.8 -28:35:34 11.797     40
EG 274    16:23:33.7 -39:13:48 11.029     40
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    200 
----------------------------------------------------

  • 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 13.0 200 DF,Bessell99 LTT 4364 11:45:36.6 -64:50:24 11.504 120 EG131 19:20:35.0 -07:40:00 12.28 180 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.