Exposure
ID
GRAVI.2025-08-14T04:46:20.420_1
Header ID
GRAVI.2025-08-14T04:46:20.420
Date updated
2025-08-14 05:01:00 UTC+0000
Release date
2025-08-14 04:46:20 UTC+0000
UTC Start
2025-08-14 04:46:20.420
UTC End
2025-08-14 04:49:00.420
MJD Start
60901.19884745
MJD End
60901.20069930186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009638
Ambient temperature (°C)
14.46
Seeing (arcsec)
0.835
Observation
ID
69991
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
51930
Name
HD167576
RA
274.238278
DEC
-27.71653
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 90.5650 89.6430 257.1000 257.4000
K0-D0 69.0200 68.2550 272.5000 272.8000
K0-J3 55.9780 55.9770 359.1390 359.5780
B2-D0 30.1500 30.0350 39.9000 40.0000
B2-J3 115.9440 115.3010 48.9670 49.0330
D0-J3 86.3010 85.7690 52.1230 52.1920
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 60901.19884745
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.238278
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 B2
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 90.565
HIERARCH ESO ISS PBL12 END 89.643
HIERARCH ESO ISS PBLA12 START 257.1
HIERARCH ESO ISS PBLA12 END 257.4
HIERARCH ESO ISS PBL13 START 69.02
HIERARCH ESO ISS PBL13 END 68.255
HIERARCH ESO ISS PBLA13 START 272.5
HIERARCH ESO ISS PBLA13 END 272.8
HIERARCH ESO ISS PBL14 START 55.978
HIERARCH ESO ISS PBL14 END 55.977
HIERARCH ESO ISS PBLA14 START 359.139
HIERARCH ESO ISS PBLA14 END 359.578
HIERARCH ESO ISS PBL23 START 30.15
HIERARCH ESO ISS PBL23 END 30.035
HIERARCH ESO ISS PBLA23 START 39.9
HIERARCH ESO ISS PBLA23 END 40.0
HIERARCH ESO ISS PBL24 START 115.944
HIERARCH ESO ISS PBL24 END 115.301
HIERARCH ESO ISS PBLA24 START 48.967
HIERARCH ESO ISS PBLA24 END 49.033
HIERARCH ESO ISS PBL34 START 86.301
HIERARCH ESO ISS PBL34 END 85.769
HIERARCH ESO ISS PBLA34 START 52.123
HIERARCH ESO ISS PBLA34 END 52.192
HIERARCH ESO ISS AMBI TAU0 START 0.009677
HIERARCH ESO ISS AMBI TAU0 END 0.009599
HIERARCH ESO ISS AMBI TEMP 14.46
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.8