Exposure
ID
GRAVI.2025-08-26T00:02:39.295_1
Header ID
GRAVI.2025-08-26T00:02:39.295
Date updated
2025-08-26 00:16:00 UTC+0000
Release date
2025-08-26 00:02:39 UTC+0000
UTC Start
2025-08-26 00:02:39.295
UTC End
2025-08-26 00:06:39.295
MJD Start
60913.00184369
MJD End
60913.00462146778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00401
Ambient temperature (°C)
12.1
Seeing (arcsec)
0.7849999999999999
Observation
ID
70092
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
52005
Name
HD176651
RA
285.304198
DEC
2.03329
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 47.6600 47.5500 144.0000 144.2000
A0-J2 121.7790 122.5600 93.5000 93.4000
A0-J6 143.3310 143.8890 19.1170 19.7100
B5-J2 98.6180 99.5380 71.5000 71.7000
B5-J6 175.0130 175.2240 6.2090 6.7780
J2-J6 161.0920 160.6780 332.4090 332.6540
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 60913.00184369
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 176651
HIERARCH ESO INS SOBJ NAME HD176651
RA 285.304198
DEC 2.03329
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 47.66
HIERARCH ESO ISS PBL12 END 47.55
HIERARCH ESO ISS PBLA12 START 144.0
HIERARCH ESO ISS PBLA12 END 144.2
HIERARCH ESO ISS PBL13 START 121.779
HIERARCH ESO ISS PBL13 END 122.56
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.4
HIERARCH ESO ISS PBL14 START 143.331
HIERARCH ESO ISS PBL14 END 143.889
HIERARCH ESO ISS PBLA14 START 19.117
HIERARCH ESO ISS PBLA14 END 19.71
HIERARCH ESO ISS PBL23 START 98.618
HIERARCH ESO ISS PBL23 END 99.538
HIERARCH ESO ISS PBLA23 START 71.5
HIERARCH ESO ISS PBLA23 END 71.7
HIERARCH ESO ISS PBL24 START 175.013
HIERARCH ESO ISS PBL24 END 175.224
HIERARCH ESO ISS PBLA24 START 6.209
HIERARCH ESO ISS PBLA24 END 6.778
HIERARCH ESO ISS PBL34 START 161.092
HIERARCH ESO ISS PBL34 END 160.678
HIERARCH ESO ISS PBLA34 START 332.409
HIERARCH ESO ISS PBLA34 END 332.654
HIERARCH ESO ISS AMBI TAU0 START 0.00419
HIERARCH ESO ISS AMBI TAU0 END 0.00383
HIERARCH ESO ISS AMBI TEMP 12.1
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.75