Exposure
ID
GRAVI.2025-11-24T02:46:00.816_1
Header ID
GRAVI.2025-11-24T02:46:00.816
Date updated
2025-11-24 02:56:09 UTC+0000
Release date
2025-11-24 02:46:00 UTC+0000
UTC Start
2025-11-24 02:46:00.816
UTC End
2025-11-24 02:48:24.816
MJD Start
61003.11528722
MJD End
61003.11695388666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.003038
Ambient temperature (°C)
14.33
Seeing (arcsec)
0.835
Observation
ID
71843
Category
calibrator
Program ID
116.28NF.002
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / LEFTLEY / KERVELLA / MÉRAND / PIETRZYNSKI / KAMINSKI / GIEREN / BAILLEUL / BRAS
Target
ID
53334
Name
HD_36689
RA
82.317424
DEC
-62.31438
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 31.7470 31.9380 115.0000 115.5000
A0-D0 31.8200 31.8300 32.4000 33.1000
A0-G1 71.9780 72.2700 68.0800 68.7990
B5-D0 41.9560 42.0090 343.8000 344.2000
B5-G1 55.3900 55.4610 43.3250 44.0290
D0-G1 49.7190 50.0130 89.9960 90.6210
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61003.11528722
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317424
DEC -62.31438
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 31.747
HIERARCH ESO ISS PBL12 END 31.938
HIERARCH ESO ISS PBLA12 START 115.0
HIERARCH ESO ISS PBLA12 END 115.5
HIERARCH ESO ISS PBL13 START 31.82
HIERARCH ESO ISS PBL13 END 31.83
HIERARCH ESO ISS PBLA13 START 32.4
HIERARCH ESO ISS PBLA13 END 33.1
HIERARCH ESO ISS PBL14 START 71.978
HIERARCH ESO ISS PBL14 END 72.27
HIERARCH ESO ISS PBLA14 START 68.08
HIERARCH ESO ISS PBLA14 END 68.799
HIERARCH ESO ISS PBL23 START 41.956
HIERARCH ESO ISS PBL23 END 42.009
HIERARCH ESO ISS PBLA23 START 343.8
HIERARCH ESO ISS PBLA23 END 344.2
HIERARCH ESO ISS PBL24 START 55.39
HIERARCH ESO ISS PBL24 END 55.461
HIERARCH ESO ISS PBLA24 START 43.325
HIERARCH ESO ISS PBLA24 END 44.029
HIERARCH ESO ISS PBL34 START 49.719
HIERARCH ESO ISS PBL34 END 50.013
HIERARCH ESO ISS PBLA34 START 89.996
HIERARCH ESO ISS PBLA34 END 90.621
HIERARCH ESO ISS AMBI TAU0 START 0.003168
HIERARCH ESO ISS AMBI TAU0 END 0.002908
HIERARCH ESO ISS AMBI TEMP 14.33
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.86