Exposure
ID
GRAVI.2025-06-22T06:05:37.364_1
Header ID
GRAVI.2025-06-22T06:05:37.364
Date updated
2025-06-22 06:15:44 UTC+0000
Release date
2025-06-22 06:05:37 UTC+0000
UTC Start
2025-06-22 06:05:37.364
UTC End
2025-06-22 06:08:17.364
MJD Start
60848.25390468
MJD End
60848.25575653186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028125
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.675
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 66.0470 65.8450 279.7000 280.1000
K0-D0 92.4680 92.1750 258.4000 258.7000
K0-J3 56.4750 56.4630 340.8970 341.2740
G2-D0 39.1520 39.0900 220.6000 220.9000
G2-J3 62.8730 62.7490 47.8500 48.0900
D0-J3 101.8340 101.6480 45.0810 45.3190
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 60848.25390468
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 66.047
HIERARCH ESO ISS PBL12 END 65.845
HIERARCH ESO ISS PBLA12 START 279.7
HIERARCH ESO ISS PBLA12 END 280.1
HIERARCH ESO ISS PBL13 START 92.468
HIERARCH ESO ISS PBL13 END 92.175
HIERARCH ESO ISS PBLA13 START 258.4
HIERARCH ESO ISS PBLA13 END 258.7
HIERARCH ESO ISS PBL14 START 56.475
HIERARCH ESO ISS PBL14 END 56.463
HIERARCH ESO ISS PBLA14 START 340.897
HIERARCH ESO ISS PBLA14 END 341.274
HIERARCH ESO ISS PBL23 START 39.152
HIERARCH ESO ISS PBL23 END 39.09
HIERARCH ESO ISS PBLA23 START 220.6
HIERARCH ESO ISS PBLA23 END 220.9
HIERARCH ESO ISS PBL24 START 62.873
HIERARCH ESO ISS PBL24 END 62.749
HIERARCH ESO ISS PBLA24 START 47.85
HIERARCH ESO ISS PBLA24 END 48.09
HIERARCH ESO ISS PBL34 START 101.834
HIERARCH ESO ISS PBL34 END 101.648
HIERARCH ESO ISS PBLA34 START 45.081
HIERARCH ESO ISS PBLA34 END 45.319
HIERARCH ESO ISS AMBI TAU0 START 0.002918
HIERARCH ESO ISS AMBI TAU0 END 0.002707
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.71