Exposure
ID
GRAVI.2025-08-16T01:08:00.237_1
Header ID
GRAVI.2025-08-16T01:08:00.237
Date updated
2025-08-16 01:15:55 UTC+0000
Release date
2025-08-16 01:08:00 UTC+0000
UTC Start
2025-08-16 01:08:00.237
UTC End
2025-08-16 01:10:40.237
MJD Start
60903.04722497
MJD End
60903.04907682186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002268
Ambient temperature (°C)
9.32
Seeing (arcsec)
1.0150000000000001
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 68.2500 68.2880 270.0000 270.3000
K0-D0 95.9300 95.9570 249.5000 249.8000
K0-J3 56.4160 56.4370 331.4820 331.7430
G2-D0 39.9820 39.9780 212.7000 213.0000
G2-J3 64.5060 64.5010 39.8270 40.1230
D0-J3 104.2970 104.2870 37.0990 37.3930
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 60903.04722497
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 68.25
HIERARCH ESO ISS PBL12 END 68.288
HIERARCH ESO ISS PBLA12 START 270.0
HIERARCH ESO ISS PBLA12 END 270.3
HIERARCH ESO ISS PBL13 START 95.93
HIERARCH ESO ISS PBL13 END 95.957
HIERARCH ESO ISS PBLA13 START 249.5
HIERARCH ESO ISS PBLA13 END 249.8
HIERARCH ESO ISS PBL14 START 56.416
HIERARCH ESO ISS PBL14 END 56.437
HIERARCH ESO ISS PBLA14 START 331.482
HIERARCH ESO ISS PBLA14 END 331.743
HIERARCH ESO ISS PBL23 START 39.982
HIERARCH ESO ISS PBL23 END 39.978
HIERARCH ESO ISS PBLA23 START 212.7
HIERARCH ESO ISS PBLA23 END 213.0
HIERARCH ESO ISS PBL24 START 64.506
HIERARCH ESO ISS PBL24 END 64.501
HIERARCH ESO ISS PBLA24 START 39.827
HIERARCH ESO ISS PBLA24 END 40.123
HIERARCH ESO ISS PBL34 START 104.297
HIERARCH ESO ISS PBL34 END 104.287
HIERARCH ESO ISS PBLA34 START 37.099
HIERARCH ESO ISS PBLA34 END 37.393
HIERARCH ESO ISS AMBI TAU0 START 0.002004
HIERARCH ESO ISS AMBI TAU0 END 0.002532
HIERARCH ESO ISS AMBI TEMP 9.32
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 0.92