Exposure
ID
GRAVI.2025-07-14T06:45:13.460_1
Header ID
GRAVI.2025-07-14T06:45:13.460
Date updated
2025-07-14 06:55:52 UTC+0000
Release date
2025-07-14 06:45:13 UTC+0000
UTC Start
2025-07-14 06:45:13.460
UTC End
2025-07-14 06:47:53.460
MJD Start
60870.28140579
MJD End
60870.28325764186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002687
Ambient temperature (°C)
12.63
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 77.3770 77.0920 147.7000 148.4000
A0-J2 97.6590 96.8340 121.5000 122.1000
A0-C1 19.3420 19.2710 147.7280 148.4100
G1-J2 44.3850 43.9750 71.0000 71.2000
G1-C1 58.0350 57.8210 327.7110 328.3930
J2-C1 80.7690 80.0150 295.3860 295.9870
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 60870.28140579
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 77.377
HIERARCH ESO ISS PBL12 END 77.092
HIERARCH ESO ISS PBLA12 START 147.7
HIERARCH ESO ISS PBLA12 END 148.4
HIERARCH ESO ISS PBL13 START 97.659
HIERARCH ESO ISS PBL13 END 96.834
HIERARCH ESO ISS PBLA13 START 121.5
HIERARCH ESO ISS PBLA13 END 122.1
HIERARCH ESO ISS PBL14 START 19.342
HIERARCH ESO ISS PBL14 END 19.271
HIERARCH ESO ISS PBLA14 START 147.728
HIERARCH ESO ISS PBLA14 END 148.41
HIERARCH ESO ISS PBL23 START 44.385
HIERARCH ESO ISS PBL23 END 43.975
HIERARCH ESO ISS PBLA23 START 71.0
HIERARCH ESO ISS PBLA23 END 71.2
HIERARCH ESO ISS PBL24 START 58.035
HIERARCH ESO ISS PBL24 END 57.821
HIERARCH ESO ISS PBLA24 START 327.711
HIERARCH ESO ISS PBLA24 END 328.393
HIERARCH ESO ISS PBL34 START 80.769
HIERARCH ESO ISS PBL34 END 80.015
HIERARCH ESO ISS PBLA34 START 295.386
HIERARCH ESO ISS PBLA34 END 295.987
HIERARCH ESO ISS AMBI TAU0 START 0.002687
HIERARCH ESO ISS AMBI TAU0 END 0.002687
HIERARCH ESO ISS AMBI TEMP 12.63
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.31