Exposure
ID
GRAVI.2025-04-30T06:57:35.107_1
Header ID
GRAVI.2025-04-30T06:57:35.107
Date updated
2025-04-30 07:10:52 UTC+0000
Release date
2026-04-30 07:10:51 UTC+0000
UTC Start
2025-04-30 06:57:35.107
UTC End
2025-04-30 07:01:35.107
MJD Start
60795.28998967
MJD End
60795.292767447776
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004072
Ambient temperature (°C)
11.84
Seeing (arcsec)
0.645
Observation
ID
67062
Category
science
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
49862
Name
U_Aql
RA
292.33789
DEC
-7.04414
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 48.2770 48.3420 142.8000 142.8000
A0-J2 100.3920 101.8750 87.6000 87.8000
A0-J6 150.1890 150.3510 6.0600 6.7400
B5-J2 82.8800 84.0650 59.1000 59.7000
B5-J6 188.2590 188.1690 355.9330 356.4710
J2-J6 167.9530 167.9680 329.8190 329.9390
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60795.28998967
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V U Aql
HIERARCH ESO INS SOBJ NAME U_Aql
RA 292.33789
DEC -7.04414
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 48.277
HIERARCH ESO ISS PBL12 END 48.342
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 100.392
HIERARCH ESO ISS PBL13 END 101.875
HIERARCH ESO ISS PBLA13 START 87.6
HIERARCH ESO ISS PBLA13 END 87.8
HIERARCH ESO ISS PBL14 START 150.189
HIERARCH ESO ISS PBL14 END 150.351
HIERARCH ESO ISS PBLA14 START 6.06
HIERARCH ESO ISS PBLA14 END 6.74
HIERARCH ESO ISS PBL23 START 82.88
HIERARCH ESO ISS PBL23 END 84.065
HIERARCH ESO ISS PBLA23 START 59.1
HIERARCH ESO ISS PBLA23 END 59.7
HIERARCH ESO ISS PBL24 START 188.259
HIERARCH ESO ISS PBL24 END 188.169
HIERARCH ESO ISS PBLA24 START 355.933
HIERARCH ESO ISS PBLA24 END 356.471
HIERARCH ESO ISS PBL34 START 167.953
HIERARCH ESO ISS PBL34 END 167.968
HIERARCH ESO ISS PBLA34 START 329.819
HIERARCH ESO ISS PBLA34 END 329.939
HIERARCH ESO ISS AMBI TAU0 START 0.003807
HIERARCH ESO ISS AMBI TAU0 END 0.004337
HIERARCH ESO ISS AMBI TEMP 11.84
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.58