Exposure
ID
GRAVI.2025-04-30T06:25:20.026_1
Header ID
GRAVI.2025-04-30T06:25:20.026
Date updated
2025-04-30 06:40:58 UTC+0000
Release date
2025-04-30 06:25:20 UTC+0000
UTC Start
2025-04-30 06:25:20.026
UTC End
2025-04-30 06:29:20.026
MJD Start
60795.26759289
MJD End
60795.27037066778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0035295
Ambient temperature (°C)
11.93
Seeing (arcsec)
0.76
Observation
ID
67061
Category
calibrator
Program ID
115.282E.002
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
49861
Name
HD177067
RA
285.822322
DEC
-5.55906
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.3020 48.3640 142.9000 142.9000
A0-J2 98.0800 99.6200 88.6000 88.8000
A0-J6 147.9050 148.0520 5.1270 5.8210
B5-J2 80.0840 81.3240 59.3000 60.0000
B5-J6 186.4980 186.3820 355.0960 355.6360
J2-J6 167.9680 167.9690 329.6700 329.7710
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60795.26759289
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 177067
HIERARCH ESO INS SOBJ NAME HD177067
RA 285.822322
DEC -5.55906
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 48.302
HIERARCH ESO ISS PBL12 END 48.364
HIERARCH ESO ISS PBLA12 START 142.9
HIERARCH ESO ISS PBLA12 END 142.9
HIERARCH ESO ISS PBL13 START 98.08
HIERARCH ESO ISS PBL13 END 99.62
HIERARCH ESO ISS PBLA13 START 88.6
HIERARCH ESO ISS PBLA13 END 88.8
HIERARCH ESO ISS PBL14 START 147.905
HIERARCH ESO ISS PBL14 END 148.052
HIERARCH ESO ISS PBLA14 START 5.127
HIERARCH ESO ISS PBLA14 END 5.821
HIERARCH ESO ISS PBL23 START 80.084
HIERARCH ESO ISS PBL23 END 81.324
HIERARCH ESO ISS PBLA23 START 59.3
HIERARCH ESO ISS PBLA23 END 60.0
HIERARCH ESO ISS PBL24 START 186.498
HIERARCH ESO ISS PBL24 END 186.382
HIERARCH ESO ISS PBLA24 START 355.096
HIERARCH ESO ISS PBLA24 END 355.636
HIERARCH ESO ISS PBL34 START 167.968
HIERARCH ESO ISS PBL34 END 167.969
HIERARCH ESO ISS PBLA34 START 329.67
HIERARCH ESO ISS PBLA34 END 329.771
HIERARCH ESO ISS AMBI TAU0 START 0.003653
HIERARCH ESO ISS AMBI TAU0 END 0.003406
HIERARCH ESO ISS AMBI TEMP 11.93
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.79