Exposure
ID
GRAVI.2025-08-26T02:47:18.713_1
Header ID
GRAVI.2025-08-26T02:47:18.713
Date updated
2025-08-26 03:00:52 UTC+0000
Release date
2025-08-26 02:47:18 UTC+0000
UTC Start
2025-08-26 02:47:18.713
UTC End
2025-08-26 02:51:18.713
MJD Start
60913.11618881
MJD End
60913.11896658778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004307
Ambient temperature (°C)
12.95
Seeing (arcsec)
0.825
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 43.9930 43.8560 159.0000 159.6000
A0-J2 120.9280 120.0670 94.8000 95.0000
A0-J6 168.3940 168.5970 32.9650 33.1740
B5-J2 109.2080 108.7510 73.6000 73.6000
B5-J6 197.5250 197.8180 22.5930 22.8990
J2-J6 154.2280 154.0030 349.2090 349.7630
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 60913.11618881
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 43.993
HIERARCH ESO ISS PBL12 END 43.856
HIERARCH ESO ISS PBLA12 START 159.0
HIERARCH ESO ISS PBLA12 END 159.6
HIERARCH ESO ISS PBL13 START 120.928
HIERARCH ESO ISS PBL13 END 120.067
HIERARCH ESO ISS PBLA13 START 94.8
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 168.394
HIERARCH ESO ISS PBL14 END 168.597
HIERARCH ESO ISS PBLA14 START 32.965
HIERARCH ESO ISS PBLA14 END 33.174
HIERARCH ESO ISS PBL23 START 109.208
HIERARCH ESO ISS PBL23 END 108.751
HIERARCH ESO ISS PBLA23 START 73.6
HIERARCH ESO ISS PBLA23 END 73.6
HIERARCH ESO ISS PBL24 START 197.525
HIERARCH ESO ISS PBL24 END 197.818
HIERARCH ESO ISS PBLA24 START 22.593
HIERARCH ESO ISS PBLA24 END 22.899
HIERARCH ESO ISS PBL34 START 154.228
HIERARCH ESO ISS PBL34 END 154.003
HIERARCH ESO ISS PBLA34 START 349.209
HIERARCH ESO ISS PBLA34 END 349.763
HIERARCH ESO ISS AMBI TAU0 START 0.004174
HIERARCH ESO ISS AMBI TAU0 END 0.00444
HIERARCH ESO ISS AMBI TEMP 12.95
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.76