Exposure
ID
GRAVI.2025-04-05T06:38:55.411_1
Header ID
GRAVI.2025-04-05T06:38:55.411
Date updated
2025-04-05 06:50:51 UTC+0000
Release date
2025-04-05 06:38:55 UTC+0000
UTC Start
2025-04-05 06:38:55.411
UTC End
2025-04-05 06:42:07.411
MJD Start
60770.27703022
MJD End
60770.279252442226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0079
Ambient temperature (°C)
14.15
Seeing (arcsec)
0.43999999999999995
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
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 22.8910 23.0010 130.2000 130.5000
A0-D0 30.0740 30.1890 51.8000 52.5000
A0-C1 19.8650 20.0070 100.5850 101.0190
B2-D0 33.9340 33.9340 10.4000 10.9000
B2-C1 11.3040 11.3040 10.3800 10.8950
D0-C1 22.6300 22.6300 190.4350 190.9510
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 60770.27703022
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
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 22.891
HIERARCH ESO ISS PBL12 END 23.001
HIERARCH ESO ISS PBLA12 START 130.2
HIERARCH ESO ISS PBLA12 END 130.5
HIERARCH ESO ISS PBL13 START 30.074
HIERARCH ESO ISS PBL13 END 30.189
HIERARCH ESO ISS PBLA13 START 51.8
HIERARCH ESO ISS PBLA13 END 52.5
HIERARCH ESO ISS PBL14 START 19.865
HIERARCH ESO ISS PBL14 END 20.007
HIERARCH ESO ISS PBLA14 START 100.585
HIERARCH ESO ISS PBLA14 END 101.019
HIERARCH ESO ISS PBL23 START 33.934
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 10.4
HIERARCH ESO ISS PBLA23 END 10.9
HIERARCH ESO ISS PBL24 START 11.304
HIERARCH ESO ISS PBL24 END 11.304
HIERARCH ESO ISS PBLA24 START 10.38
HIERARCH ESO ISS PBLA24 END 10.895
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.63
HIERARCH ESO ISS PBLA34 START 190.435
HIERARCH ESO ISS PBLA34 END 190.951
HIERARCH ESO ISS AMBI TAU0 START 0.007925
HIERARCH ESO ISS AMBI TAU0 END 0.007875
HIERARCH ESO ISS AMBI TEMP 14.15
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.47