Exposure
ID
GRAVI.2024-03-29T08:37:15.196_2
Header ID
GRAVI.2024-03-29T08:37:15.196
Date updated
2024-03-29 08:50:32 UTC+0000
Release date
2025-03-29 08:50:32 UTC+0000
UTC Start
2024-03-29 08:37:15.196
UTC End
2024-03-29 08:43:15.196
MJD Start
60398.35920366
MJD End
60398.3633703267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
12.95
Seeing (arcsec)
0.505
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 56.5010 56.5180 16.2000 17.0000
U1-U3 102.1000 102.1740 22.2000 23.1000
U1-U4 127.0560 127.5720 49.4200 50.4000
U2-U3 46.2930 46.3600 29.6000 30.5000
U2-U4 85.5940 86.1760 70.6290 71.5470
U3-U4 59.1090 59.5800 101.5900 102.2790
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 60398.35920366
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 56.501
HIERARCH ESO ISS PBL12 END 56.518
HIERARCH ESO ISS PBLA12 START 16.2
HIERARCH ESO ISS PBLA12 END 17.0
HIERARCH ESO ISS PBL13 START 102.1
HIERARCH ESO ISS PBL13 END 102.174
HIERARCH ESO ISS PBLA13 START 22.2
HIERARCH ESO ISS PBLA13 END 23.1
HIERARCH ESO ISS PBL14 START 127.056
HIERARCH ESO ISS PBL14 END 127.572
HIERARCH ESO ISS PBLA14 START 49.42
HIERARCH ESO ISS PBLA14 END 50.4
HIERARCH ESO ISS PBL23 START 46.293
HIERARCH ESO ISS PBL23 END 46.36
HIERARCH ESO ISS PBLA23 START 29.6
HIERARCH ESO ISS PBLA23 END 30.5
HIERARCH ESO ISS PBL24 START 85.594
HIERARCH ESO ISS PBL24 END 86.176
HIERARCH ESO ISS PBLA24 START 70.629
HIERARCH ESO ISS PBLA24 END 71.547
HIERARCH ESO ISS PBL34 START 59.109
HIERARCH ESO ISS PBL34 END 59.58
HIERARCH ESO ISS PBLA34 START 101.59
HIERARCH ESO ISS PBLA34 END 102.279
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.51
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