Exposure
ID
GRAVI.2025-06-22T05:58:58.348_1
Header ID
GRAVI.2025-06-22T05:58:58.348
Date updated
2025-06-22 06:10:53 UTC+0000
Release date
2025-06-22 05:58:58 UTC+0000
UTC Start
2025-06-22 05:58:58.348
UTC End
2025-06-22 06:01:38.348
MJD Start
60848.24928643
MJD End
60848.251138281856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0030505000000000003
Ambient temperature (°C)
11.74
Seeing (arcsec)
0.5800000000000001
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 66.4720 66.2870 278.9000 279.3000
K0-D0 93.0850 92.8170 257.7000 258.1000
K0-J3 56.5000 56.4890 340.0520 340.4280
G2-D0 39.2810 39.2250 220.1000 220.3000
G2-J3 63.1350 63.0220 47.2950 47.5460
D0-J3 102.2240 102.0550 44.5290 44.7790
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 60848.24928643
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 66.472
HIERARCH ESO ISS PBL12 END 66.287
HIERARCH ESO ISS PBLA12 START 278.9
HIERARCH ESO ISS PBLA12 END 279.3
HIERARCH ESO ISS PBL13 START 93.085
HIERARCH ESO ISS PBL13 END 92.817
HIERARCH ESO ISS PBLA13 START 257.7
HIERARCH ESO ISS PBLA13 END 258.1
HIERARCH ESO ISS PBL14 START 56.5
HIERARCH ESO ISS PBL14 END 56.489
HIERARCH ESO ISS PBLA14 START 340.052
HIERARCH ESO ISS PBLA14 END 340.428
HIERARCH ESO ISS PBL23 START 39.281
HIERARCH ESO ISS PBL23 END 39.225
HIERARCH ESO ISS PBLA23 START 220.1
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 63.135
HIERARCH ESO ISS PBL24 END 63.022
HIERARCH ESO ISS PBLA24 START 47.295
HIERARCH ESO ISS PBLA24 END 47.546
HIERARCH ESO ISS PBL34 START 102.224
HIERARCH ESO ISS PBL34 END 102.055
HIERARCH ESO ISS PBLA34 START 44.529
HIERARCH ESO ISS PBLA34 END 44.779
HIERARCH ESO ISS AMBI TAU0 START 0.002889
HIERARCH ESO ISS AMBI TAU0 END 0.003212
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.49