Exposure
ID
GRAVI.2025-07-14T06:51:49.476_1
Header ID
GRAVI.2025-07-14T06:51:49.476
Date updated
2025-07-14 07:00:50 UTC+0000
Release date
2025-07-14 06:51:49 UTC+0000
UTC Start
2025-07-14 06:51:49.476
UTC End
2025-07-14 06:54:29.476
MJD Start
60870.28598931
MJD End
60870.28784116186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002687
Ambient temperature (°C)
12.8
Seeing (arcsec)
1.31
Observation
ID
68758
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
51161
Name
HD167576
RA
274.237024
DEC
-27.71653
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.7410 76.4630 149.3000 150.0000
A0-J2 95.8020 94.9690 122.9000 123.6000
A0-C1 19.1830 19.1140 149.2680 149.9680
G1-J2 43.4570 43.0350 71.4000 71.5000
G1-C1 57.5580 57.3490 329.2520 329.9510
J2-C1 79.0700 78.3060 296.7520 297.3810
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 60870.28598931
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.237024
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 76.741
HIERARCH ESO ISS PBL12 END 76.463
HIERARCH ESO ISS PBLA12 START 149.3
HIERARCH ESO ISS PBLA12 END 150.0
HIERARCH ESO ISS PBL13 START 95.802
HIERARCH ESO ISS PBL13 END 94.969
HIERARCH ESO ISS PBLA13 START 122.9
HIERARCH ESO ISS PBLA13 END 123.6
HIERARCH ESO ISS PBL14 START 19.183
HIERARCH ESO ISS PBL14 END 19.114
HIERARCH ESO ISS PBLA14 START 149.268
HIERARCH ESO ISS PBLA14 END 149.968
HIERARCH ESO ISS PBL23 START 43.457
HIERARCH ESO ISS PBL23 END 43.035
HIERARCH ESO ISS PBLA23 START 71.4
HIERARCH ESO ISS PBLA23 END 71.5
HIERARCH ESO ISS PBL24 START 57.558
HIERARCH ESO ISS PBL24 END 57.349
HIERARCH ESO ISS PBLA24 START 329.252
HIERARCH ESO ISS PBLA24 END 329.951
HIERARCH ESO ISS PBL34 START 79.07
HIERARCH ESO ISS PBL34 END 78.306
HIERARCH ESO ISS PBLA34 START 296.752
HIERARCH ESO ISS PBLA34 END 297.381
HIERARCH ESO ISS AMBI TAU0 START 0.002687
HIERARCH ESO ISS AMBI TAU0 END 0.002687
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.31