Exposure
ID
GRAVI.2025-07-24T05:45:13.699_1
Header ID
GRAVI.2025-07-24T05:45:13.699
Date updated
2025-07-24 05:55:50 UTC+0000
Release date
2025-07-24 05:45:13 UTC+0000
UTC Start
2025-07-24 05:45:13.699
UTC End
2025-07-24 05:47:37.699
MJD Start
60880.23974189
MJD End
60880.24140855666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.005182
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.36
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 74.8170 74.2590 118.5000 118.8000
A0-J2 114.8320 114.0890 92.7000 92.7000
A0-C1 18.7000 18.5600 118.5590 118.7880
G1-J2 57.6260 57.5340 58.2000 58.2000
G1-C1 56.1170 55.6980 298.5370 298.7670
J2-C1 98.3440 97.7600 267.9340 267.9170
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 60880.23974189
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 74.817
HIERARCH ESO ISS PBL12 END 74.259
HIERARCH ESO ISS PBLA12 START 118.5
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 114.832
HIERARCH ESO ISS PBL13 END 114.089
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 18.7
HIERARCH ESO ISS PBL14 END 18.56
HIERARCH ESO ISS PBLA14 START 118.559
HIERARCH ESO ISS PBLA14 END 118.788
HIERARCH ESO ISS PBL23 START 57.626
HIERARCH ESO ISS PBL23 END 57.534
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 58.2
HIERARCH ESO ISS PBL24 START 56.117
HIERARCH ESO ISS PBL24 END 55.698
HIERARCH ESO ISS PBLA24 START 298.537
HIERARCH ESO ISS PBLA24 END 298.767
HIERARCH ESO ISS PBL34 START 98.344
HIERARCH ESO ISS PBL34 END 97.76
HIERARCH ESO ISS PBLA34 START 267.934
HIERARCH ESO ISS PBLA34 END 267.917
HIERARCH ESO ISS AMBI TAU0 START 0.00517
HIERARCH ESO ISS AMBI TAU0 END 0.005194
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36