Exposure
ID
GRAVI.2025-04-30T07:02:11.119_1
Header ID
GRAVI.2025-04-30T07:02:11.119
Date updated
2025-04-30 07:15:42 UTC+0000
Release date
2026-04-30 07:15:42 UTC+0000
UTC Start
2025-04-30 07:02:11.119
UTC End
2025-04-30 07:06:11.119
MJD Start
60795.29318425
MJD End
60795.295962027776
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004337
Ambient temperature (°C)
11.82
Seeing (arcsec)
0.58
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 48.3470 48.4050 142.8000 142.8000
A0-J2 101.9900 103.4360 87.8000 88.0000
A0-J6 150.3650 150.5440 6.7940 7.4720
B5-J2 84.1570 85.3280 59.7000 60.3000
B5-J6 188.1630 188.0870 356.5130 357.0550
J2-J6 167.9690 167.9680 329.9490 330.0800
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 60795.29318425
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 48.347
HIERARCH ESO ISS PBL12 END 48.405
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 142.8
HIERARCH ESO ISS PBL13 START 101.99
HIERARCH ESO ISS PBL13 END 103.436
HIERARCH ESO ISS PBLA13 START 87.8
HIERARCH ESO ISS PBLA13 END 88.0
HIERARCH ESO ISS PBL14 START 150.365
HIERARCH ESO ISS PBL14 END 150.544
HIERARCH ESO ISS PBLA14 START 6.794
HIERARCH ESO ISS PBLA14 END 7.472
HIERARCH ESO ISS PBL23 START 84.157
HIERARCH ESO ISS PBL23 END 85.328
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 60.3
HIERARCH ESO ISS PBL24 START 188.163
HIERARCH ESO ISS PBL24 END 188.087
HIERARCH ESO ISS PBLA24 START 356.513
HIERARCH ESO ISS PBLA24 END 357.055
HIERARCH ESO ISS PBL34 START 167.969
HIERARCH ESO ISS PBL34 END 167.968
HIERARCH ESO ISS PBLA34 START 329.949
HIERARCH ESO ISS PBLA34 END 330.08
HIERARCH ESO ISS AMBI TAU0 START 0.004337
HIERARCH ESO ISS AMBI TAU0 END 0.004337
HIERARCH ESO ISS AMBI TEMP 11.82
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58