Exposure
ID
GRAVI.2025-08-16T01:01:18.220_1
Header ID
GRAVI.2025-08-16T01:01:18.220
Date updated
2025-08-16 01:10:50 UTC+0000
Release date
2025-08-16 01:01:18 UTC+0000
UTC Start
2025-08-16 01:01:18.220
UTC End
2025-08-16 01:03:58.220
MJD Start
60903.04257199
MJD End
60903.04442384186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0023175
Ambient temperature (°C)
9.34
Seeing (arcsec)
1.145
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 68.1320 68.1900 269.2000 269.6000
K0-D0 95.8290 95.8800 248.7000 249.0000
K0-J3 56.3610 56.3860 330.7750 331.0960
G2-D0 39.9870 39.9860 211.9000 212.3000
G2-J3 64.5040 64.5070 39.0160 39.3870
D0-J3 104.3010 104.3020 36.2930 36.6620
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 60903.04257199
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 68.132
HIERARCH ESO ISS PBL12 END 68.19
HIERARCH ESO ISS PBLA12 START 269.2
HIERARCH ESO ISS PBLA12 END 269.6
HIERARCH ESO ISS PBL13 START 95.829
HIERARCH ESO ISS PBL13 END 95.88
HIERARCH ESO ISS PBLA13 START 248.7
HIERARCH ESO ISS PBLA13 END 249.0
HIERARCH ESO ISS PBL14 START 56.361
HIERARCH ESO ISS PBL14 END 56.386
HIERARCH ESO ISS PBLA14 START 330.775
HIERARCH ESO ISS PBLA14 END 331.096
HIERARCH ESO ISS PBL23 START 39.987
HIERARCH ESO ISS PBL23 END 39.986
HIERARCH ESO ISS PBLA23 START 211.9
HIERARCH ESO ISS PBLA23 END 212.3
HIERARCH ESO ISS PBL24 START 64.504
HIERARCH ESO ISS PBL24 END 64.507
HIERARCH ESO ISS PBLA24 START 39.016
HIERARCH ESO ISS PBLA24 END 39.387
HIERARCH ESO ISS PBL34 START 104.301
HIERARCH ESO ISS PBL34 END 104.302
HIERARCH ESO ISS PBLA34 START 36.293
HIERARCH ESO ISS PBLA34 END 36.662
HIERARCH ESO ISS AMBI TAU0 START 0.002631
HIERARCH ESO ISS AMBI TAU0 END 0.002004
HIERARCH ESO ISS AMBI TEMP 9.34
HIERARCH ESO ISS AMBI FWHM START 1.15
HIERARCH ESO ISS AMBI FWHM END 1.14