Exposure
ID
GRAVI.2025-06-22T06:08:52.373_1
Header ID
GRAVI.2025-06-22T06:08:52.373
Date updated
2025-06-22 06:21:01 UTC+0000
Release date
2025-06-22 06:08:52 UTC+0000
UTC Start
2025-06-22 06:08:52.373
UTC End
2025-06-22 06:11:32.373
MJD Start
60848.25616172
MJD End
60848.25801357185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002729
Ambient temperature (°C)
11.76
Seeing (arcsec)
0.63
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 65.8230 65.6120 280.2000 280.5000
K0-D0 92.1420 91.8350 258.8000 259.1000
K0-J3 56.4620 56.4490 341.3170 341.6980
G2-D0 39.0830 39.0190 220.9000 221.1000
G2-J3 62.7350 62.6050 48.1170 48.3530
D0-J3 101.6270 101.4330 45.3470 45.5810
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 60848.25616172
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 65.823
HIERARCH ESO ISS PBL12 END 65.612
HIERARCH ESO ISS PBLA12 START 280.2
HIERARCH ESO ISS PBLA12 END 280.5
HIERARCH ESO ISS PBL13 START 92.142
HIERARCH ESO ISS PBL13 END 91.835
HIERARCH ESO ISS PBLA13 START 258.8
HIERARCH ESO ISS PBLA13 END 259.1
HIERARCH ESO ISS PBL14 START 56.462
HIERARCH ESO ISS PBL14 END 56.449
HIERARCH ESO ISS PBLA14 START 341.317
HIERARCH ESO ISS PBLA14 END 341.698
HIERARCH ESO ISS PBL23 START 39.083
HIERARCH ESO ISS PBL23 END 39.019
HIERARCH ESO ISS PBLA23 START 220.9
HIERARCH ESO ISS PBLA23 END 221.1
HIERARCH ESO ISS PBL24 START 62.735
HIERARCH ESO ISS PBL24 END 62.605
HIERARCH ESO ISS PBLA24 START 48.117
HIERARCH ESO ISS PBLA24 END 48.353
HIERARCH ESO ISS PBL34 START 101.627
HIERARCH ESO ISS PBL34 END 101.433
HIERARCH ESO ISS PBLA34 START 45.347
HIERARCH ESO ISS PBLA34 END 45.581
HIERARCH ESO ISS AMBI TAU0 START 0.002707
HIERARCH ESO ISS AMBI TAU0 END 0.002751
HIERARCH ESO ISS AMBI TEMP 11.76
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.55