Exposure
ID
GRAVI.2025-11-27T07:22:32.582_1
Header ID
GRAVI.2025-11-27T07:22:32.582
Date updated
2025-11-27 07:36:00 UTC+0000
Release date
2025-11-27 07:22:32 UTC+0000
UTC Start
2025-11-27 07:22:32.582
UTC End
2025-11-27 07:25:12.582
MJD Start
61006.30732155
MJD End
61006.30917340185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0034925
Ambient temperature (°C)
15.07
Seeing (arcsec)
0.655
Observation
ID
70914
Category
calibrator
Program ID
116.28NF.001
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
52622
Name
HD_43776
RA
94.568939
DEC
3.98448
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 41.8480 41.7010 152.9000 153.3000
A0-J2 125.8740 125.4840 91.7000 91.7000
A0-J6 160.0200 160.4090 32.4550 32.6220
B5-J2 111.9000 111.8360 72.6000 72.5000
B5-J6 184.7940 185.1740 21.1980 21.4490
J2-J6 144.4270 144.1220 343.9420 344.3160
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61006.30732155
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 43776
HIERARCH ESO INS SOBJ NAME HD_43776
RA 94.568939
DEC 3.98448
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 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 41.848
HIERARCH ESO ISS PBL12 END 41.701
HIERARCH ESO ISS PBLA12 START 152.9
HIERARCH ESO ISS PBLA12 END 153.3
HIERARCH ESO ISS PBL13 START 125.874
HIERARCH ESO ISS PBL13 END 125.484
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.7
HIERARCH ESO ISS PBL14 START 160.02
HIERARCH ESO ISS PBL14 END 160.409
HIERARCH ESO ISS PBLA14 START 32.455
HIERARCH ESO ISS PBLA14 END 32.622
HIERARCH ESO ISS PBL23 START 111.9
HIERARCH ESO ISS PBL23 END 111.836
HIERARCH ESO ISS PBLA23 START 72.6
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 184.794
HIERARCH ESO ISS PBL24 END 185.174
HIERARCH ESO ISS PBLA24 START 21.198
HIERARCH ESO ISS PBLA24 END 21.449
HIERARCH ESO ISS PBL34 START 144.427
HIERARCH ESO ISS PBL34 END 144.122
HIERARCH ESO ISS PBLA34 START 343.942
HIERARCH ESO ISS PBLA34 END 344.316
HIERARCH ESO ISS AMBI TAU0 START 0.003737
HIERARCH ESO ISS AMBI TAU0 END 0.003248
HIERARCH ESO ISS AMBI TEMP 15.07
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.69