Exposure
ID
GRAVI.2025-12-01T04:45:16.269_1
Header ID
GRAVI.2025-12-01T04:45:16.269
Date updated
2025-12-01 04:55:46 UTC+0000
Release date
2025-12-01 04:45:16 UTC+0000
UTC Start
2025-12-01 04:45:16.269
UTC End
2025-12-01 04:47:56.269
MJD Start
61010.19810497
MJD End
61010.19995682185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0069955
Ambient temperature (°C)
13.38
Seeing (arcsec)
0.585
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 47.6840 47.6080 143.5000 143.5000
A0-J2 119.6170 120.2380 94.4000 94.3000
A0-J6 138.8960 139.2870 17.8820 18.3230
B5-J2 95.4260 96.1420 72.2000 72.3000
B5-J6 171.0920 171.2130 4.7800 5.1910
J2-J6 160.7980 160.4960 331.5480 331.6960
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 61010.19810497
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 47.684
HIERARCH ESO ISS PBL12 END 47.608
HIERARCH ESO ISS PBLA12 START 143.5
HIERARCH ESO ISS PBLA12 END 143.5
HIERARCH ESO ISS PBL13 START 119.617
HIERARCH ESO ISS PBL13 END 120.238
HIERARCH ESO ISS PBLA13 START 94.4
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 138.896
HIERARCH ESO ISS PBL14 END 139.287
HIERARCH ESO ISS PBLA14 START 17.882
HIERARCH ESO ISS PBLA14 END 18.323
HIERARCH ESO ISS PBL23 START 95.426
HIERARCH ESO ISS PBL23 END 96.142
HIERARCH ESO ISS PBLA23 START 72.2
HIERARCH ESO ISS PBLA23 END 72.3
HIERARCH ESO ISS PBL24 START 171.092
HIERARCH ESO ISS PBL24 END 171.213
HIERARCH ESO ISS PBLA24 START 4.78
HIERARCH ESO ISS PBLA24 END 5.191
HIERARCH ESO ISS PBL34 START 160.798
HIERARCH ESO ISS PBL34 END 160.496
HIERARCH ESO ISS PBLA34 START 331.548
HIERARCH ESO ISS PBLA34 END 331.696
HIERARCH ESO ISS AMBI TAU0 START 0.006273
HIERARCH ESO ISS AMBI TAU0 END 0.007718
HIERARCH ESO ISS AMBI TEMP 13.38
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.54