Exposure
ID
GRAVI.2024-03-29T06:38:26.895_2
Header ID
GRAVI.2024-03-29T06:38:26.895
Date updated
2024-03-29 06:55:33 UTC+0000
Release date
2025-03-29 06:55:33 UTC+0000
UTC Start
2024-03-29 06:38:26.895
UTC End
2024-03-29 06:44:26.895
MJD Start
60398.27670017
MJD End
60398.2808668367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.006484
Ambient temperature (°C)
12.79
Seeing (arcsec)
0.675
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 56.2280 56.2280 359.5000 0.4000
U1-U3 100.6760 100.7130 4.1000 5.1000
U1-U4 114.0200 114.7280 26.8410 28.3040
U2-U3 44.8560 44.9120 9.8000 11.0000
U2-U4 69.1030 70.1540 48.8080 50.3280
U3-U4 44.3610 45.4300 88.3120 89.1240
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 60398.27670017
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME S2
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 56.228
HIERARCH ESO ISS PBL12 END 56.228
HIERARCH ESO ISS PBLA12 START 359.5
HIERARCH ESO ISS PBLA12 END 0.4
HIERARCH ESO ISS PBL13 START 100.676
HIERARCH ESO ISS PBL13 END 100.713
HIERARCH ESO ISS PBLA13 START 4.1
HIERARCH ESO ISS PBLA13 END 5.1
HIERARCH ESO ISS PBL14 START 114.02
HIERARCH ESO ISS PBL14 END 114.728
HIERARCH ESO ISS PBLA14 START 26.841
HIERARCH ESO ISS PBLA14 END 28.304
HIERARCH ESO ISS PBL23 START 44.856
HIERARCH ESO ISS PBL23 END 44.912
HIERARCH ESO ISS PBLA23 START 9.8
HIERARCH ESO ISS PBLA23 END 11.0
HIERARCH ESO ISS PBL24 START 69.103
HIERARCH ESO ISS PBL24 END 70.154
HIERARCH ESO ISS PBLA24 START 48.808
HIERARCH ESO ISS PBLA24 END 50.328
HIERARCH ESO ISS PBL34 START 44.361
HIERARCH ESO ISS PBL34 END 45.43
HIERARCH ESO ISS PBLA34 START 88.312
HIERARCH ESO ISS PBLA34 END 89.124
HIERARCH ESO ISS AMBI TAU0 START 0.006484
HIERARCH ESO ISS AMBI TAU0 END 0.006484
HIERARCH ESO ISS AMBI TEMP 12.79
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.71
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1000
HIERARCH ESO FT ROBJ DELTA -290027.6541