Exposure
ID
GRAVI.2025-08-14T04:56:14.445_1
Header ID
GRAVI.2025-08-14T04:56:14.445
Date updated
2025-08-14 05:10:34 UTC+0000
Release date
2025-08-14 04:56:14 UTC+0000
UTC Start
2025-08-14 04:56:14.445
UTC End
2025-08-14 04:58:54.445
MJD Start
60901.20572274
MJD End
60901.207574591856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.008966499999999999
Ambient temperature (°C)
14.37
Seeing (arcsec)
0.825
Observation
ID
69991
Category
calibrator
Program ID
115.282E.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 / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Target
ID
51930
Name
HD167576
RA
274.238278
DEC
-27.71653
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 87.4230 86.4560 257.9000 258.1000
K0-D0 66.4180 65.6200 273.7000 274.1000
K0-J3 55.9770 55.9790 0.6120 1.0530
B2-D0 29.7570 29.6360 40.2000 40.2000
B2-J3 113.7480 113.0700 49.1710 49.2210
D0-J3 84.4870 83.9270 52.3340 52.3860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60901.20572274
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.238278
DEC -27.71653
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 87.423
HIERARCH ESO ISS PBL12 END 86.456
HIERARCH ESO ISS PBLA12 START 257.9
HIERARCH ESO ISS PBLA12 END 258.1
HIERARCH ESO ISS PBL13 START 66.418
HIERARCH ESO ISS PBL13 END 65.62
HIERARCH ESO ISS PBLA13 START 273.7
HIERARCH ESO ISS PBLA13 END 274.1
HIERARCH ESO ISS PBL14 START 55.977
HIERARCH ESO ISS PBL14 END 55.979
HIERARCH ESO ISS PBLA14 START 0.612
HIERARCH ESO ISS PBLA14 END 1.053
HIERARCH ESO ISS PBL23 START 29.757
HIERARCH ESO ISS PBL23 END 29.636
HIERARCH ESO ISS PBLA23 START 40.2
HIERARCH ESO ISS PBLA23 END 40.2
HIERARCH ESO ISS PBL24 START 113.748
HIERARCH ESO ISS PBL24 END 113.07
HIERARCH ESO ISS PBLA24 START 49.171
HIERARCH ESO ISS PBLA24 END 49.221
HIERARCH ESO ISS PBL34 START 84.487
HIERARCH ESO ISS PBL34 END 83.927
HIERARCH ESO ISS PBLA34 START 52.334
HIERARCH ESO ISS PBLA34 END 52.386
HIERARCH ESO ISS AMBI TAU0 START 0.008029
HIERARCH ESO ISS AMBI TAU0 END 0.009904
HIERARCH ESO ISS AMBI TEMP 14.37
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.82