Exposure
ID
GRAVI.2025-08-14T04:39:38.403_1
Header ID
GRAVI.2025-08-14T04:39:38.403
Date updated
2025-08-14 04:50:52 UTC+0000
Release date
2025-08-14 04:39:38 UTC+0000
UTC Start
2025-08-14 04:39:38.403
UTC End
2025-08-14 04:42:18.403
MJD Start
60901.19419448
MJD End
60901.196046331854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0103745
Ambient temperature (°C)
14.63
Seeing (arcsec)
0.79
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 92.6090 91.7090 256.7000 256.9000
K0-D0 70.7220 69.9720 271.6000 272.0000
K0-J3 55.9830 55.9800 358.1460 358.5870
B2-D0 30.4040 30.2930 39.7000 39.8000
B2-J3 117.3680 116.7420 48.7980 48.8760
D0-J3 87.4780 86.9610 51.9500 52.0300
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 60901.19419448
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 92.609
HIERARCH ESO ISS PBL12 END 91.709
HIERARCH ESO ISS PBLA12 START 256.7
HIERARCH ESO ISS PBLA12 END 256.9
HIERARCH ESO ISS PBL13 START 70.722
HIERARCH ESO ISS PBL13 END 69.972
HIERARCH ESO ISS PBLA13 START 271.6
HIERARCH ESO ISS PBLA13 END 272.0
HIERARCH ESO ISS PBL14 START 55.983
HIERARCH ESO ISS PBL14 END 55.98
HIERARCH ESO ISS PBLA14 START 358.146
HIERARCH ESO ISS PBLA14 END 358.587
HIERARCH ESO ISS PBL23 START 30.404
HIERARCH ESO ISS PBL23 END 30.293
HIERARCH ESO ISS PBLA23 START 39.7
HIERARCH ESO ISS PBLA23 END 39.8
HIERARCH ESO ISS PBL24 START 117.368
HIERARCH ESO ISS PBL24 END 116.742
HIERARCH ESO ISS PBLA24 START 48.798
HIERARCH ESO ISS PBLA24 END 48.876
HIERARCH ESO ISS PBL34 START 87.478
HIERARCH ESO ISS PBL34 END 86.961
HIERARCH ESO ISS PBLA34 START 51.95
HIERARCH ESO ISS PBLA34 END 52.03
HIERARCH ESO ISS AMBI TAU0 START 0.010204
HIERARCH ESO ISS AMBI TAU0 END 0.010545
HIERARCH ESO ISS AMBI TEMP 14.63
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.73