Exposure
ID
GRAVI.2025-06-20T08:16:44.976_1
Header ID
GRAVI.2025-06-20T08:16:44.976
Date updated
2025-06-20 08:30:52 UTC+0000
Release date
2025-06-20 08:16:44 UTC+0000
UTC Start
2025-06-20 08:16:44.976
UTC End
2025-06-20 08:19:24.976
MJD Start
60846.344965
MJD End
60846.34681685185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003179
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.5900000000000001
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 51.8170 51.3720 299.3000 299.9000
K0-D0 70.5020 69.7540 271.8000 272.1000
K0-J3 55.9820 55.9790 358.2750 358.7140
G2-D0 34.2990 34.1250 227.5000 227.5000
G2-J3 53.2000 52.8590 54.8770 54.9600
D0-J3 87.3240 86.8100 51.9730 52.0510
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 60846.344965
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 51.817
HIERARCH ESO ISS PBL12 END 51.372
HIERARCH ESO ISS PBLA12 START 299.3
HIERARCH ESO ISS PBLA12 END 299.9
HIERARCH ESO ISS PBL13 START 70.502
HIERARCH ESO ISS PBL13 END 69.754
HIERARCH ESO ISS PBLA13 START 271.8
HIERARCH ESO ISS PBLA13 END 272.1
HIERARCH ESO ISS PBL14 START 55.982
HIERARCH ESO ISS PBL14 END 55.979
HIERARCH ESO ISS PBLA14 START 358.275
HIERARCH ESO ISS PBLA14 END 358.714
HIERARCH ESO ISS PBL23 START 34.299
HIERARCH ESO ISS PBL23 END 34.125
HIERARCH ESO ISS PBLA23 START 227.5
HIERARCH ESO ISS PBLA23 END 227.5
HIERARCH ESO ISS PBL24 START 53.2
HIERARCH ESO ISS PBL24 END 52.859
HIERARCH ESO ISS PBLA24 START 54.877
HIERARCH ESO ISS PBLA24 END 54.96
HIERARCH ESO ISS PBL34 START 87.324
HIERARCH ESO ISS PBL34 END 86.81
HIERARCH ESO ISS PBLA34 START 51.973
HIERARCH ESO ISS PBLA34 END 52.051
HIERARCH ESO ISS AMBI TAU0 START 0.003381
HIERARCH ESO ISS AMBI TAU0 END 0.002977
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.65