Exposure
ID
GRAVI.2025-07-14T06:55:04.485_1
Header ID
GRAVI.2025-07-14T06:55:04.485
Date updated
2025-07-14 07:05:45 UTC+0000
Release date
2025-07-14 06:55:04 UTC+0000
UTC Start
2025-07-14 06:55:04.485
UTC End
2025-07-14 06:57:44.485
MJD Start
60870.28824635
MJD End
60870.290098201855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002687
Ambient temperature (°C)
12.88
Seeing (arcsec)
1.31
Observation
ID
68758
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
51161
Name
HD167576
RA
274.237024
DEC
-27.71653
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.4380 76.1620 150.0000 150.7000
A0-J2 94.8940 94.0550 123.7000 124.4000
A0-C1 19.1070 19.0380 150.0310 150.7420
G1-J2 42.9970 42.5660 71.6000 71.7000
G1-C1 57.3310 57.1230 330.0150 330.7260
J2-C1 78.2360 77.4640 297.4380 298.0830
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 60870.28824635
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.237024
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 76.438
HIERARCH ESO ISS PBL12 END 76.162
HIERARCH ESO ISS PBLA12 START 150.0
HIERARCH ESO ISS PBLA12 END 150.7
HIERARCH ESO ISS PBL13 START 94.894
HIERARCH ESO ISS PBL13 END 94.055
HIERARCH ESO ISS PBLA13 START 123.7
HIERARCH ESO ISS PBLA13 END 124.4
HIERARCH ESO ISS PBL14 START 19.107
HIERARCH ESO ISS PBL14 END 19.038
HIERARCH ESO ISS PBLA14 START 150.031
HIERARCH ESO ISS PBLA14 END 150.742
HIERARCH ESO ISS PBL23 START 42.997
HIERARCH ESO ISS PBL23 END 42.566
HIERARCH ESO ISS PBLA23 START 71.6
HIERARCH ESO ISS PBLA23 END 71.7
HIERARCH ESO ISS PBL24 START 57.331
HIERARCH ESO ISS PBL24 END 57.123
HIERARCH ESO ISS PBLA24 START 330.015
HIERARCH ESO ISS PBLA24 END 330.726
HIERARCH ESO ISS PBL34 START 78.236
HIERARCH ESO ISS PBL34 END 77.464
HIERARCH ESO ISS PBLA34 START 297.438
HIERARCH ESO ISS PBLA34 END 298.083
HIERARCH ESO ISS AMBI TAU0 START 0.002687
HIERARCH ESO ISS AMBI TAU0 END 0.002687
HIERARCH ESO ISS AMBI TEMP 12.88
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.31