Exposure
ID
GRAVI.2024-03-29T08:44:18.215_2
Header ID
GRAVI.2024-03-29T08:44:18.215
Date updated
2024-03-29 09:00:23 UTC+0000
Release date
2025-03-29 09:00:23 UTC+0000
UTC Start
2024-03-29 08:44:18.215
UTC End
2024-03-29 08:50:18.215
MJD Start
60398.36409971
MJD End
60398.3682663767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
13.05
Seeing (arcsec)
0.5
Observation
ID
58832
Category
science
Program ID
112.25CV.001
Program Title
THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
Program Type
GTO
PI / COI
EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
ID
43560
Name
IRS16C
RA
266.417083333333
DEC
-29.0076816944444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5190 56.5340 17.1000 17.9000
U1-U3 102.1810 102.2470 23.2000 24.0000
U1-U4 127.6190 128.0910 50.4910 51.4480
U2-U3 46.3660 46.4260 30.6000 31.5000
U2-U4 86.2290 86.7620 71.6320 72.5320
U3-U4 59.6230 60.0550 102.3440 103.0350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25CV.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60398.36409971
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME SGRA
RA 266.416809
DEC -29.00729
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 389.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 56.519
HIERARCH ESO ISS PBL12 END 56.534
HIERARCH ESO ISS PBLA12 START 17.1
HIERARCH ESO ISS PBLA12 END 17.9
HIERARCH ESO ISS PBL13 START 102.181
HIERARCH ESO ISS PBL13 END 102.247
HIERARCH ESO ISS PBLA13 START 23.2
HIERARCH ESO ISS PBLA13 END 24.0
HIERARCH ESO ISS PBL14 START 127.619
HIERARCH ESO ISS PBL14 END 128.091
HIERARCH ESO ISS PBLA14 START 50.491
HIERARCH ESO ISS PBLA14 END 51.448
HIERARCH ESO ISS PBL23 START 46.366
HIERARCH ESO ISS PBL23 END 46.426
HIERARCH ESO ISS PBLA23 START 30.6
HIERARCH ESO ISS PBLA23 END 31.5
HIERARCH ESO ISS PBL24 START 86.229
HIERARCH ESO ISS PBL24 END 86.762
HIERARCH ESO ISS PBLA24 START 71.632
HIERARCH ESO ISS PBLA24 END 72.532
HIERARCH ESO ISS PBL34 START 59.623
HIERARCH ESO ISS PBL34 END 60.055
HIERARCH ESO ISS PBLA34 START 102.344
HIERARCH ESO ISS PBLA34 END 103.035
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 13.05
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541