Exposure
ID
GRAVI.2025-06-23T07:58:41.320_1
Header ID
GRAVI.2025-06-23T07:58:41.320
Date updated
2025-06-23 08:11:15 UTC+0000
Release date
2025-06-23 07:58:41 UTC+0000
UTC Start
2025-06-23 07:58:41.320
UTC End
2025-06-23 08:01:21.320
MJD Start
60849.33242268
MJD End
60849.33427453186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003358
Ambient temperature (°C)
9.56
Seeing (arcsec)
0.495
Observation
ID
68176
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
50679
Name
HD167576
RA
274.239535
DEC
-27.71652
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 52.7540 52.3140 298.0000 298.6000
K0-D0 72.0610 71.3320 271.0000 271.3000
K0-J3 55.9890 55.9850 357.3450 357.7840
G2-D0 34.6610 34.4930 227.3000 227.4000
G2-J3 53.9150 53.5820 54.6840 54.7780
D0-J3 88.4000 87.8990 51.7910 51.8800
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 60849.33242268
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.239535
DEC -27.71652
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 G2
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 52.754
HIERARCH ESO ISS PBL12 END 52.314
HIERARCH ESO ISS PBLA12 START 298.0
HIERARCH ESO ISS PBLA12 END 298.6
HIERARCH ESO ISS PBL13 START 72.061
HIERARCH ESO ISS PBL13 END 71.332
HIERARCH ESO ISS PBLA13 START 271.0
HIERARCH ESO ISS PBLA13 END 271.3
HIERARCH ESO ISS PBL14 START 55.989
HIERARCH ESO ISS PBL14 END 55.985
HIERARCH ESO ISS PBLA14 START 357.345
HIERARCH ESO ISS PBLA14 END 357.784
HIERARCH ESO ISS PBL23 START 34.661
HIERARCH ESO ISS PBL23 END 34.493
HIERARCH ESO ISS PBLA23 START 227.3
HIERARCH ESO ISS PBLA23 END 227.4
HIERARCH ESO ISS PBL24 START 53.915
HIERARCH ESO ISS PBL24 END 53.582
HIERARCH ESO ISS PBLA24 START 54.684
HIERARCH ESO ISS PBLA24 END 54.778
HIERARCH ESO ISS PBL34 START 88.4
HIERARCH ESO ISS PBL34 END 87.899
HIERARCH ESO ISS PBLA34 START 51.791
HIERARCH ESO ISS PBLA34 END 51.88
HIERARCH ESO ISS AMBI TAU0 START 0.003526
HIERARCH ESO ISS AMBI TAU0 END 0.00319
HIERARCH ESO ISS AMBI TEMP 9.56
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.48