Exposure
ID
GRAVI.2025-08-26T02:42:45.702_1
Header ID
GRAVI.2025-08-26T02:42:45.702
Date updated
2025-08-26 02:56:00 UTC+0000
Release date
2025-08-26 02:42:45 UTC+0000
UTC Start
2025-08-26 02:42:45.702
UTC End
2025-08-26 02:46:45.702
MJD Start
60913.11302896
MJD End
60913.11580673778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0044045
Ambient temperature (°C)
12.86
Seeing (arcsec)
0.88
Observation
ID
70122
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
52028
Name
HD177067
RA
285.822321
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 44.1420 44.0030 158.4000 159.0000
A0-J2 121.8070 120.9900 94.7000 94.8000
A0-J6 168.1590 168.3790 32.7300 32.9490
B5-J2 109.6610 109.2410 73.5000 73.6000
B5-J6 197.2030 197.5030 22.2560 22.5710
J2-J6 154.4810 154.2450 348.6190 349.1700
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 60913.11302896
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 177067
HIERARCH ESO INS SOBJ NAME HD177067
RA 285.822321
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 44.142
HIERARCH ESO ISS PBL12 END 44.003
HIERARCH ESO ISS PBLA12 START 158.4
HIERARCH ESO ISS PBLA12 END 159.0
HIERARCH ESO ISS PBL13 START 121.807
HIERARCH ESO ISS PBL13 END 120.99
HIERARCH ESO ISS PBLA13 START 94.7
HIERARCH ESO ISS PBLA13 END 94.8
HIERARCH ESO ISS PBL14 START 168.159
HIERARCH ESO ISS PBL14 END 168.379
HIERARCH ESO ISS PBLA14 START 32.73
HIERARCH ESO ISS PBLA14 END 32.949
HIERARCH ESO ISS PBL23 START 109.661
HIERARCH ESO ISS PBL23 END 109.241
HIERARCH ESO ISS PBLA23 START 73.5
HIERARCH ESO ISS PBLA23 END 73.6
HIERARCH ESO ISS PBL24 START 197.203
HIERARCH ESO ISS PBL24 END 197.503
HIERARCH ESO ISS PBLA24 START 22.256
HIERARCH ESO ISS PBLA24 END 22.571
HIERARCH ESO ISS PBL34 START 154.481
HIERARCH ESO ISS PBL34 END 154.245
HIERARCH ESO ISS PBLA34 START 348.619
HIERARCH ESO ISS PBLA34 END 349.17
HIERARCH ESO ISS AMBI TAU0 START 0.004635
HIERARCH ESO ISS AMBI TAU0 END 0.004174
HIERARCH ESO ISS AMBI TEMP 12.86
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.89