Exposure
ID
GRAVI.2025-08-14T04:49:35.428_1
Header ID
GRAVI.2025-08-14T04:49:35.428
Date updated
2025-08-14 05:01:00 UTC+0000
Release date
2025-08-14 04:49:35 UTC+0000
UTC Start
2025-08-14 04:49:35.428
UTC End
2025-08-14 04:52:15.428
MJD Start
60901.20110449
MJD End
60901.202956341855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0101685
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.835
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 89.5480 88.6080 257.4000 257.6000
K0-D0 68.1770 67.3970 272.9000 273.3000
K0-J3 55.9770 55.9760 359.6230 0.0640
B2-D0 30.0240 29.9060 40.0000 40.1000
B2-J3 115.2350 114.5770 49.0400 49.1010
D0-J3 85.7150 85.1720 52.1990 52.2620
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 60901.20110449
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 89.548
HIERARCH ESO ISS PBL12 END 88.608
HIERARCH ESO ISS PBLA12 START 257.4
HIERARCH ESO ISS PBLA12 END 257.6
HIERARCH ESO ISS PBL13 START 68.177
HIERARCH ESO ISS PBL13 END 67.397
HIERARCH ESO ISS PBLA13 START 272.9
HIERARCH ESO ISS PBLA13 END 273.3
HIERARCH ESO ISS PBL14 START 55.977
HIERARCH ESO ISS PBL14 END 55.976
HIERARCH ESO ISS PBLA14 START 359.623
HIERARCH ESO ISS PBLA14 END 0.064
HIERARCH ESO ISS PBL23 START 30.024
HIERARCH ESO ISS PBL23 END 29.906
HIERARCH ESO ISS PBLA23 START 40.0
HIERARCH ESO ISS PBLA23 END 40.1
HIERARCH ESO ISS PBL24 START 115.235
HIERARCH ESO ISS PBL24 END 114.577
HIERARCH ESO ISS PBLA24 START 49.04
HIERARCH ESO ISS PBLA24 END 49.101
HIERARCH ESO ISS PBL34 START 85.715
HIERARCH ESO ISS PBL34 END 85.172
HIERARCH ESO ISS PBLA34 START 52.199
HIERARCH ESO ISS PBLA34 END 52.262
HIERARCH ESO ISS AMBI TAU0 START 0.009599
HIERARCH ESO ISS AMBI TAU0 END 0.010738
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.87