Exposure
ID
GRAVI.2025-08-16T01:17:54.262_1
Header ID
GRAVI.2025-08-16T01:17:54.262
Date updated
2025-08-16 01:30:50 UTC+0000
Release date
2025-08-16 01:17:54 UTC+0000
UTC Start
2025-08-16 01:17:54.262
UTC End
2025-08-16 01:20:34.262
MJD Start
60903.05410026
MJD End
60903.055952111856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002037
Ambient temperature (°C)
9.43
Seeing (arcsec)
1.02
Observation
ID
70028
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
51955
Name
HD167576
RA
274.239533
DEC
-27.71653
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 68.3400 68.3470 271.1000 271.5000
K0-D0 95.9770 95.9660 250.6000 251.0000
K0-J3 56.4810 56.4960 332.4560 332.8370
G2-D0 39.9600 39.9500 213.7000 214.1000
G2-J3 64.4750 64.4580 40.8930 41.2870
D0-J3 104.2430 104.2160 38.1590 38.5510
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 60903.05410026
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.239533
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 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 68.34
HIERARCH ESO ISS PBL12 END 68.347
HIERARCH ESO ISS PBLA12 START 271.1
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 95.977
HIERARCH ESO ISS PBL13 END 95.966
HIERARCH ESO ISS PBLA13 START 250.6
HIERARCH ESO ISS PBLA13 END 251.0
HIERARCH ESO ISS PBL14 START 56.481
HIERARCH ESO ISS PBL14 END 56.496
HIERARCH ESO ISS PBLA14 START 332.456
HIERARCH ESO ISS PBLA14 END 332.837
HIERARCH ESO ISS PBL23 START 39.96
HIERARCH ESO ISS PBL23 END 39.95
HIERARCH ESO ISS PBLA23 START 213.7
HIERARCH ESO ISS PBLA23 END 214.1
HIERARCH ESO ISS PBL24 START 64.475
HIERARCH ESO ISS PBL24 END 64.458
HIERARCH ESO ISS PBLA24 START 40.893
HIERARCH ESO ISS PBLA24 END 41.287
HIERARCH ESO ISS PBL34 START 104.243
HIERARCH ESO ISS PBL34 END 104.216
HIERARCH ESO ISS PBLA34 START 38.159
HIERARCH ESO ISS PBLA34 END 38.551
HIERARCH ESO ISS AMBI TAU0 START 0.002037
HIERARCH ESO ISS AMBI TAU0 END 0.002037
HIERARCH ESO ISS AMBI TEMP 9.43
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 1.02