Exposure
ID
GRAVI.2025-06-23T07:55:26.311_1
Header ID
GRAVI.2025-06-23T07:55:26.311
Date updated
2025-06-23 08:06:26 UTC+0000
Release date
2025-06-23 07:55:26 UTC+0000
UTC Start
2025-06-23 07:55:26.311
UTC End
2025-06-23 07:58:06.311
MJD Start
60849.33016564
MJD End
60849.332017491855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0035104999999999997
Ambient temperature (°C)
9.51
Seeing (arcsec)
0.53
Observation
ID
68176
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
50679
Name
HD167576
RA
274.239535
DEC
-27.71652
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 53.2380 52.7990 297.3000 297.9000
K0-D0 72.8570 72.1340 270.6000 271.0000
K0-J3 55.9940 55.9900 356.8610 357.3010
G2-D0 34.8450 34.6780 227.2000 227.3000
G2-J3 54.2770 53.9480 54.5760 54.6750
D0-J3 88.9460 88.4510 51.6880 51.7820
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 60849.33016564
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.239535
DEC -27.71652
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 53.238
HIERARCH ESO ISS PBL12 END 52.799
HIERARCH ESO ISS PBLA12 START 297.3
HIERARCH ESO ISS PBLA12 END 297.9
HIERARCH ESO ISS PBL13 START 72.857
HIERARCH ESO ISS PBL13 END 72.134
HIERARCH ESO ISS PBLA13 START 270.6
HIERARCH ESO ISS PBLA13 END 271.0
HIERARCH ESO ISS PBL14 START 55.994
HIERARCH ESO ISS PBL14 END 55.99
HIERARCH ESO ISS PBLA14 START 356.861
HIERARCH ESO ISS PBLA14 END 357.301
HIERARCH ESO ISS PBL23 START 34.845
HIERARCH ESO ISS PBL23 END 34.678
HIERARCH ESO ISS PBLA23 START 227.2
HIERARCH ESO ISS PBLA23 END 227.3
HIERARCH ESO ISS PBL24 START 54.277
HIERARCH ESO ISS PBL24 END 53.948
HIERARCH ESO ISS PBLA24 START 54.576
HIERARCH ESO ISS PBLA24 END 54.675
HIERARCH ESO ISS PBL34 START 88.946
HIERARCH ESO ISS PBL34 END 88.451
HIERARCH ESO ISS PBLA34 START 51.688
HIERARCH ESO ISS PBLA34 END 51.782
HIERARCH ESO ISS AMBI TAU0 START 0.003495
HIERARCH ESO ISS AMBI TAU0 END 0.003526
HIERARCH ESO ISS AMBI TEMP 9.51
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.51