Exposure
ID
GRAVI.2025-07-24T05:35:43.675_1
Header ID
GRAVI.2025-07-24T05:35:43.675
Date updated
2025-07-24 05:45:52 UTC+0000
Release date
2025-07-24 05:35:43 UTC+0000
UTC Start
2025-07-24 05:35:43.675
UTC End
2025-07-24 05:38:07.675
MJD Start
60880.23314439
MJD End
60880.23481105666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0049225
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.38
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 76.6320 76.1030 117.8000 118.0000
A0-J2 117.1930 116.5140 92.7000 92.7000
A0-C1 19.1540 19.0220 117.8390 118.0420
G1-J2 57.8850 57.8160 58.4000 58.3000
G1-C1 57.4790 57.0820 297.8180 298.0210
J2-C1 100.1930 99.6630 267.9890 267.9710
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 60880.23314439
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 76.632
HIERARCH ESO ISS PBL12 END 76.103
HIERARCH ESO ISS PBLA12 START 117.8
HIERARCH ESO ISS PBLA12 END 118.0
HIERARCH ESO ISS PBL13 START 117.193
HIERARCH ESO ISS PBL13 END 116.514
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 19.154
HIERARCH ESO ISS PBL14 END 19.022
HIERARCH ESO ISS PBLA14 START 117.839
HIERARCH ESO ISS PBLA14 END 118.042
HIERARCH ESO ISS PBL23 START 57.885
HIERARCH ESO ISS PBL23 END 57.816
HIERARCH ESO ISS PBLA23 START 58.4
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 57.479
HIERARCH ESO ISS PBL24 END 57.082
HIERARCH ESO ISS PBLA24 START 297.818
HIERARCH ESO ISS PBLA24 END 298.021
HIERARCH ESO ISS PBL34 START 100.193
HIERARCH ESO ISS PBL34 END 99.663
HIERARCH ESO ISS PBLA34 START 267.989
HIERARCH ESO ISS PBLA34 END 267.971
HIERARCH ESO ISS AMBI TAU0 START 0.005446
HIERARCH ESO ISS AMBI TAU0 END 0.004399
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.39