Exposure
ID
GRAVI.2025-08-24T01:28:37.510_1
Header ID
GRAVI.2025-08-24T01:28:37.510
Date updated
2025-08-24 01:40:59 UTC+0000
Release date
2025-08-24 01:28:37 UTC+0000
UTC Start
2025-08-24 01:28:37.510
UTC End
2025-08-24 01:32:37.510
MJD Start
60911.06154525
MJD End
60911.06432302778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0036
Ambient temperature (°C)
5.84
Seeing (arcsec)
0.72
Observation
ID
70092
Category
calibrator
Program ID
115.282E.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 / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Target
ID
52005
Name
HD176651
RA
285.304198
DEC
2.03329
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 44.9220 44.7380 148.4000 148.7000
A0-J2 129.2360 129.2140 92.6000 92.5000
A0-J6 154.5110 155.1250 28.2040 28.5860
B5-J2 110.4100 110.7260 72.9000 72.9000
B5-J6 181.2830 181.7370 15.8300 16.2890
J2-J6 152.6370 152.1590 338.4430 338.8640
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60911.06154525
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 176651
HIERARCH ESO INS SOBJ NAME HD176651
RA 285.304198
DEC 2.03329
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 44.922
HIERARCH ESO ISS PBL12 END 44.738
HIERARCH ESO ISS PBLA12 START 148.4
HIERARCH ESO ISS PBLA12 END 148.7
HIERARCH ESO ISS PBL13 START 129.236
HIERARCH ESO ISS PBL13 END 129.214
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 154.511
HIERARCH ESO ISS PBL14 END 155.125
HIERARCH ESO ISS PBLA14 START 28.204
HIERARCH ESO ISS PBLA14 END 28.586
HIERARCH ESO ISS PBL23 START 110.41
HIERARCH ESO ISS PBL23 END 110.726
HIERARCH ESO ISS PBLA23 START 72.9
HIERARCH ESO ISS PBLA23 END 72.9
HIERARCH ESO ISS PBL24 START 181.283
HIERARCH ESO ISS PBL24 END 181.737
HIERARCH ESO ISS PBLA24 START 15.83
HIERARCH ESO ISS PBLA24 END 16.289
HIERARCH ESO ISS PBL34 START 152.637
HIERARCH ESO ISS PBL34 END 152.159
HIERARCH ESO ISS PBLA34 START 338.443
HIERARCH ESO ISS PBLA34 END 338.864
HIERARCH ESO ISS AMBI TAU0 START 0.004124
HIERARCH ESO ISS AMBI TAU0 END 0.003076
HIERARCH ESO ISS AMBI TEMP 5.84
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.72