Exposure
ID
GRAVI.2025-06-24T02:22:12.736_1
Header ID
GRAVI.2025-06-24T02:22:12.736
Date updated
2025-06-24 02:35:53 UTC+0000
Release date
2025-06-24 02:22:12 UTC+0000
UTC Start
2025-06-24 02:22:12.736
UTC End
2025-06-24 02:25:24.736
MJD Start
60850.09875852
MJD End
60850.10098074222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003438
Ambient temperature (°C)
11.2
Seeing (arcsec)
0.595
Observation
ID
68225
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50708
Name
HD_152636
RA
253.988065
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.2810 24.3480 135.1000 135.5000
A0-D0 31.5270 31.5900 61.6000 62.2000
A0-C1 21.6500 21.7320 107.3890 107.8320
B2-D0 33.8960 33.8890 18.2000 18.7000
B2-C1 11.2910 11.2890 18.1630 18.6390
D0-C1 22.6050 22.6010 198.2240 198.7000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60850.09875852
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988065
DEC -33.50683
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 24.281
HIERARCH ESO ISS PBL12 END 24.348
HIERARCH ESO ISS PBLA12 START 135.1
HIERARCH ESO ISS PBLA12 END 135.5
HIERARCH ESO ISS PBL13 START 31.527
HIERARCH ESO ISS PBL13 END 31.59
HIERARCH ESO ISS PBLA13 START 61.6
HIERARCH ESO ISS PBLA13 END 62.2
HIERARCH ESO ISS PBL14 START 21.65
HIERARCH ESO ISS PBL14 END 21.732
HIERARCH ESO ISS PBLA14 START 107.389
HIERARCH ESO ISS PBLA14 END 107.832
HIERARCH ESO ISS PBL23 START 33.896
HIERARCH ESO ISS PBL23 END 33.889
HIERARCH ESO ISS PBLA23 START 18.2
HIERARCH ESO ISS PBLA23 END 18.7
HIERARCH ESO ISS PBL24 START 11.291
HIERARCH ESO ISS PBL24 END 11.289
HIERARCH ESO ISS PBLA24 START 18.163
HIERARCH ESO ISS PBLA24 END 18.639
HIERARCH ESO ISS PBL34 START 22.605
HIERARCH ESO ISS PBL34 END 22.601
HIERARCH ESO ISS PBLA34 START 198.224
HIERARCH ESO ISS PBLA34 END 198.7
HIERARCH ESO ISS AMBI TAU0 START 0.003382
HIERARCH ESO ISS AMBI TAU0 END 0.003494
HIERARCH ESO ISS AMBI TEMP 11.2
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.59