Exposure
ID
GRAVI.2025-06-20T08:06:53.951_1
Header ID
GRAVI.2025-06-20T08:06:53.951
Date updated
2025-06-20 08:20:50 UTC+0000
Release date
2025-06-20 08:06:53 UTC+0000
UTC Start
2025-06-20 08:06:53.951
UTC End
2025-06-20 08:09:33.951
MJD Start
60846.33812443
MJD End
60846.33997628186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0029145
Ambient temperature (°C)
12.53
Seeing (arcsec)
0.615
Observation
ID
68176
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
50679
Name
HD167576
RA
274.239535
DEC
-27.71652
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 53.2890 52.8530 297.3000 297.9000
K0-D0 72.9410 72.2240 270.6000 270.9000
K0-J3 55.9950 55.9900 356.8090 357.2460
G2-D0 34.8640 34.6990 227.2000 227.3000
G2-J3 54.3150 53.9890 54.5640 54.6630
D0-J3 89.0030 88.5120 51.6770 51.7710
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 60846.33812443
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.239535
DEC -27.71652
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 53.289
HIERARCH ESO ISS PBL12 END 52.853
HIERARCH ESO ISS PBLA12 START 297.3
HIERARCH ESO ISS PBLA12 END 297.9
HIERARCH ESO ISS PBL13 START 72.941
HIERARCH ESO ISS PBL13 END 72.224
HIERARCH ESO ISS PBLA13 START 270.6
HIERARCH ESO ISS PBLA13 END 270.9
HIERARCH ESO ISS PBL14 START 55.995
HIERARCH ESO ISS PBL14 END 55.99
HIERARCH ESO ISS PBLA14 START 356.809
HIERARCH ESO ISS PBLA14 END 357.246
HIERARCH ESO ISS PBL23 START 34.864
HIERARCH ESO ISS PBL23 END 34.699
HIERARCH ESO ISS PBLA23 START 227.2
HIERARCH ESO ISS PBLA23 END 227.3
HIERARCH ESO ISS PBL24 START 54.315
HIERARCH ESO ISS PBL24 END 53.989
HIERARCH ESO ISS PBLA24 START 54.564
HIERARCH ESO ISS PBLA24 END 54.663
HIERARCH ESO ISS PBL34 START 89.003
HIERARCH ESO ISS PBL34 END 88.512
HIERARCH ESO ISS PBLA34 START 51.677
HIERARCH ESO ISS PBLA34 END 51.771
HIERARCH ESO ISS AMBI TAU0 START 0.003306
HIERARCH ESO ISS AMBI TAU0 END 0.002523
HIERARCH ESO ISS AMBI TEMP 12.53
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.63