Exposure
ID
GRAVI.2025-12-01T04:55:16.295_1
Header ID
GRAVI.2025-12-01T04:55:16.295
Date updated
2025-12-01 05:06:25 UTC+0000
Release date
2025-12-01 04:55:16 UTC+0000
UTC Start
2025-12-01 04:55:16.295
UTC End
2025-12-01 04:57:56.295
MJD Start
61010.20504971
MJD End
61010.206901561854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0056145
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.61
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 47.4170 47.3320 143.7000 143.8000
A0-J2 121.6320 122.1830 94.2000 94.1000
A0-J6 140.2400 140.6510 19.3470 19.7670
B5-J2 97.7800 98.4430 72.5000 72.6000
B5-J6 171.5360 171.6880 6.1590 6.5620
J2-J6 159.7620 159.4470 332.0650 332.2280
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 61010.20504971
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 47.417
HIERARCH ESO ISS PBL12 END 47.332
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.8
HIERARCH ESO ISS PBL13 START 121.632
HIERARCH ESO ISS PBL13 END 122.183
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 140.24
HIERARCH ESO ISS PBL14 END 140.651
HIERARCH ESO ISS PBLA14 START 19.347
HIERARCH ESO ISS PBLA14 END 19.767
HIERARCH ESO ISS PBL23 START 97.78
HIERARCH ESO ISS PBL23 END 98.443
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 171.536
HIERARCH ESO ISS PBL24 END 171.688
HIERARCH ESO ISS PBLA24 START 6.159
HIERARCH ESO ISS PBLA24 END 6.562
HIERARCH ESO ISS PBL34 START 159.762
HIERARCH ESO ISS PBL34 END 159.447
HIERARCH ESO ISS PBLA34 START 332.065
HIERARCH ESO ISS PBLA34 END 332.228
HIERARCH ESO ISS AMBI TAU0 START 0.005692
HIERARCH ESO ISS AMBI TAU0 END 0.005537
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.65