Exposure
ID
GRAVI.2025-12-01T04:52:01.287_1
Header ID
GRAVI.2025-12-01T04:52:01.287
Date updated
2025-12-01 05:01:18 UTC+0000
Release date
2025-12-01 04:52:01 UTC+0000
UTC Start
2025-12-01 04:52:01.287
UTC End
2025-12-01 04:54:41.287
MJD Start
61010.20279267
MJD End
61010.20464452186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006738
Ambient temperature (°C)
13.18
Seeing (arcsec)
0.6
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 47.5070 47.4250 143.6000 143.7000
A0-J2 120.9990 121.5750 94.2000 94.2000
A0-J6 139.7930 140.1990 18.8750 19.3040
B5-J2 97.0290 97.7120 72.4000 72.5000
B5-J6 171.3790 171.5210 5.7110 6.1180
J2-J6 160.1060 159.7940 331.8900 332.0490
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 61010.20279267
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 47.507
HIERARCH ESO ISS PBL12 END 47.425
HIERARCH ESO ISS PBLA12 START 143.6
HIERARCH ESO ISS PBLA12 END 143.7
HIERARCH ESO ISS PBL13 START 120.999
HIERARCH ESO ISS PBL13 END 121.575
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.2
HIERARCH ESO ISS PBL14 START 139.793
HIERARCH ESO ISS PBL14 END 140.199
HIERARCH ESO ISS PBLA14 START 18.875
HIERARCH ESO ISS PBLA14 END 19.304
HIERARCH ESO ISS PBL23 START 97.029
HIERARCH ESO ISS PBL23 END 97.712
HIERARCH ESO ISS PBLA23 START 72.4
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 171.379
HIERARCH ESO ISS PBL24 END 171.521
HIERARCH ESO ISS PBLA24 START 5.711
HIERARCH ESO ISS PBLA24 END 6.118
HIERARCH ESO ISS PBL34 START 160.106
HIERARCH ESO ISS PBL34 END 159.794
HIERARCH ESO ISS PBLA34 START 331.89
HIERARCH ESO ISS PBLA34 END 332.049
HIERARCH ESO ISS AMBI TAU0 START 0.007784
HIERARCH ESO ISS AMBI TAU0 END 0.005692
HIERARCH ESO ISS AMBI TEMP 13.18
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.57