Exposure
ID
GRAVI.2025-11-24T07:35:16.653_1
Header ID
GRAVI.2025-11-24T07:35:16.653
Date updated
2025-11-24 07:45:36 UTC+0000
Release date
2025-11-24 07:35:16 UTC+0000
UTC Start
2025-11-24 07:35:16.653
UTC End
2025-11-24 07:37:56.653
MJD Start
61003.31616496
MJD End
61003.318016811856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003261
Ambient temperature (°C)
14.14
Seeing (arcsec)
1.0050000000000001
Observation
ID
71851
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
53336
Name
HD_85656
RA
147.726584
DEC
-62.74507
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 33.3920 33.5730 119.0000 119.5000
A0-D0 31.9330 31.9410 38.8000 39.5000
A0-G1 74.9550 75.2420 74.6350 75.3540
B5-D0 42.1010 42.1430 347.4000 347.8000
B5-G1 56.1850 56.2540 50.0630 50.7820
D0-G1 52.5020 52.7850 95.4910 96.1200
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 61003.31616496
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 85656
HIERARCH ESO INS SOBJ NAME HD_85656
RA 147.726584
DEC -62.74507
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 33.392
HIERARCH ESO ISS PBL12 END 33.573
HIERARCH ESO ISS PBLA12 START 119.0
HIERARCH ESO ISS PBLA12 END 119.5
HIERARCH ESO ISS PBL13 START 31.933
HIERARCH ESO ISS PBL13 END 31.941
HIERARCH ESO ISS PBLA13 START 38.8
HIERARCH ESO ISS PBLA13 END 39.5
HIERARCH ESO ISS PBL14 START 74.955
HIERARCH ESO ISS PBL14 END 75.242
HIERARCH ESO ISS PBLA14 START 74.635
HIERARCH ESO ISS PBLA14 END 75.354
HIERARCH ESO ISS PBL23 START 42.101
HIERARCH ESO ISS PBL23 END 42.143
HIERARCH ESO ISS PBLA23 START 347.4
HIERARCH ESO ISS PBLA23 END 347.8
HIERARCH ESO ISS PBL24 START 56.185
HIERARCH ESO ISS PBL24 END 56.254
HIERARCH ESO ISS PBLA24 START 50.063
HIERARCH ESO ISS PBLA24 END 50.782
HIERARCH ESO ISS PBL34 START 52.502
HIERARCH ESO ISS PBL34 END 52.785
HIERARCH ESO ISS PBLA34 START 95.491
HIERARCH ESO ISS PBLA34 END 96.12
HIERARCH ESO ISS AMBI TAU0 START 0.002748
HIERARCH ESO ISS AMBI TAU0 END 0.003774
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 0.9