Exposure
ID
GRAVI.2025-06-20T08:10:08.959_1
Header ID
GRAVI.2025-06-20T08:10:08.959
Date updated
2025-06-20 08:20:50 UTC+0000
Release date
2025-06-20 08:10:08 UTC+0000
UTC Start
2025-06-20 08:10:08.959
UTC End
2025-06-20 08:12:48.959
MJD Start
60846.34038147
MJD End
60846.342233321855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002872
Ambient temperature (°C)
12.41
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 52.8040 52.3640 297.9000 298.5000
K0-D0 72.1430 71.4150 271.0000 271.3000
K0-J3 55.9900 55.9860 357.2950 357.7330
G2-D0 34.6800 34.5110 227.3000 227.4000
G2-J3 53.9520 53.6180 54.6730 54.7680
D0-J3 88.4560 87.9540 51.7810 51.8700
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 60846.34038147
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 52.804
HIERARCH ESO ISS PBL12 END 52.364
HIERARCH ESO ISS PBLA12 START 297.9
HIERARCH ESO ISS PBLA12 END 298.5
HIERARCH ESO ISS PBL13 START 72.143
HIERARCH ESO ISS PBL13 END 71.415
HIERARCH ESO ISS PBLA13 START 271.0
HIERARCH ESO ISS PBLA13 END 271.3
HIERARCH ESO ISS PBL14 START 55.99
HIERARCH ESO ISS PBL14 END 55.986
HIERARCH ESO ISS PBLA14 START 357.295
HIERARCH ESO ISS PBLA14 END 357.733
HIERARCH ESO ISS PBL23 START 34.68
HIERARCH ESO ISS PBL23 END 34.511
HIERARCH ESO ISS PBLA23 START 227.3
HIERARCH ESO ISS PBLA23 END 227.4
HIERARCH ESO ISS PBL24 START 53.952
HIERARCH ESO ISS PBL24 END 53.618
HIERARCH ESO ISS PBLA24 START 54.673
HIERARCH ESO ISS PBLA24 END 54.768
HIERARCH ESO ISS PBL34 START 88.456
HIERARCH ESO ISS PBL34 END 87.954
HIERARCH ESO ISS PBLA34 START 51.781
HIERARCH ESO ISS PBLA34 END 51.87
HIERARCH ESO ISS AMBI TAU0 START 0.002523
HIERARCH ESO ISS AMBI TAU0 END 0.003221
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.6