Exposure
ID
GRAVI.2025-07-24T05:38:49.682_1
Header ID
GRAVI.2025-07-24T05:38:49.682
Date updated
2025-07-24 05:50:49 UTC+0000
Release date
2025-07-24 05:38:49 UTC+0000
UTC Start
2025-07-24 05:38:49.682
UTC End
2025-07-24 05:41:13.682
MJD Start
60880.23529725
MJD End
60880.236963916665
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.004421
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.365
Observation
ID
68948
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
51300
Name
HD182835
RA
291.627311
DEC
0.33856
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 76.0470 75.5060 118.0000 118.3000
A0-J2 116.4410 115.7380 92.7000 92.7000
A0-C1 19.0070 18.8720 118.0640 118.2790
G1-J2 57.8080 57.7310 58.3000 58.3000
G1-C1 57.0390 56.6340 298.0430 298.2570
J2-C1 99.6050 99.0550 267.9690 267.9530
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 60880.23529725
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME nu. Aql
HIERARCH ESO INS SOBJ NAME HD182835
RA 291.627311
DEC 0.33856
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 76.047
HIERARCH ESO ISS PBL12 END 75.506
HIERARCH ESO ISS PBLA12 START 118.0
HIERARCH ESO ISS PBLA12 END 118.3
HIERARCH ESO ISS PBL13 START 116.441
HIERARCH ESO ISS PBL13 END 115.738
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 19.007
HIERARCH ESO ISS PBL14 END 18.872
HIERARCH ESO ISS PBLA14 START 118.064
HIERARCH ESO ISS PBLA14 END 118.279
HIERARCH ESO ISS PBL23 START 57.808
HIERARCH ESO ISS PBL23 END 57.731
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 57.039
HIERARCH ESO ISS PBL24 END 56.634
HIERARCH ESO ISS PBLA24 START 298.043
HIERARCH ESO ISS PBLA24 END 298.257
HIERARCH ESO ISS PBL34 START 99.605
HIERARCH ESO ISS PBL34 END 99.055
HIERARCH ESO ISS PBLA34 START 267.969
HIERARCH ESO ISS PBLA34 END 267.953
HIERARCH ESO ISS AMBI TAU0 START 0.004399
HIERARCH ESO ISS AMBI TAU0 END 0.004443
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.34