Exposure
ID
GRAVI.2025-06-20T08:00:14.934_1
Header ID
GRAVI.2025-06-20T08:00:14.934
Date updated
2025-06-20 08:10:56 UTC+0000
Release date
2025-06-20 08:00:14 UTC+0000
UTC Start
2025-06-20 08:00:14.934
UTC End
2025-06-20 08:02:54.934
MJD Start
60846.33350618
MJD End
60846.33535803186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003956
Ambient temperature (°C)
12.47
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 54.2560 53.8270 296.0000 296.5000
K0-D0 74.5160 73.8200 269.8000 270.1000
K0-J3 56.0080 56.0020 355.8300 356.2660
G2-D0 35.2260 35.0660 227.0000 227.1000
G2-J3 55.0290 54.7140 54.3270 54.4360
D0-J3 90.0770 89.6030 51.4510 51.5540
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 60846.33350618
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 54.256
HIERARCH ESO ISS PBL12 END 53.827
HIERARCH ESO ISS PBLA12 START 296.0
HIERARCH ESO ISS PBLA12 END 296.5
HIERARCH ESO ISS PBL13 START 74.516
HIERARCH ESO ISS PBL13 END 73.82
HIERARCH ESO ISS PBLA13 START 269.8
HIERARCH ESO ISS PBLA13 END 270.1
HIERARCH ESO ISS PBL14 START 56.008
HIERARCH ESO ISS PBL14 END 56.002
HIERARCH ESO ISS PBLA14 START 355.83
HIERARCH ESO ISS PBLA14 END 356.266
HIERARCH ESO ISS PBL23 START 35.226
HIERARCH ESO ISS PBL23 END 35.066
HIERARCH ESO ISS PBLA23 START 227.0
HIERARCH ESO ISS PBLA23 END 227.1
HIERARCH ESO ISS PBL24 START 55.029
HIERARCH ESO ISS PBL24 END 54.714
HIERARCH ESO ISS PBLA24 START 54.327
HIERARCH ESO ISS PBLA24 END 54.436
HIERARCH ESO ISS PBL34 START 90.077
HIERARCH ESO ISS PBL34 END 89.603
HIERARCH ESO ISS PBLA34 START 51.451
HIERARCH ESO ISS PBLA34 END 51.554
HIERARCH ESO ISS AMBI TAU0 START 0.003447
HIERARCH ESO ISS AMBI TAU0 END 0.004465
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.56