Exposure
ID
GRAVI.2025-06-21T05:00:55.339_1
Header ID
GRAVI.2025-06-21T05:00:55.339
Date updated
2025-06-21 05:10:53 UTC+0000
Release date
2025-06-21 05:00:55 UTC+0000
UTC Start
2025-06-21 05:00:55.339
UTC End
2025-06-21 05:04:07.339
MJD Start
60847.20897383
MJD End
60847.21119605222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005818
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.55
Observation
ID
67542
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
50232
Name
HD_152636
RA
253.990732
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.5950 65.3380 283.0000 283.6000
K0-D0 90.6800 90.2520 261.6000 262.1000
K0-J3 56.5430 56.5490 342.5050 342.9990
G2-D0 38.0660 37.9520 222.7000 223.0000
G2-J3 61.0930 60.8750 50.1600 50.5020
D0-J3 98.9600 98.6280 47.2920 47.6280
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 60847.20897383
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.990732
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 65.595
HIERARCH ESO ISS PBL12 END 65.338
HIERARCH ESO ISS PBLA12 START 283.0
HIERARCH ESO ISS PBLA12 END 283.6
HIERARCH ESO ISS PBL13 START 90.68
HIERARCH ESO ISS PBL13 END 90.252
HIERARCH ESO ISS PBLA13 START 261.6
HIERARCH ESO ISS PBLA13 END 262.1
HIERARCH ESO ISS PBL14 START 56.543
HIERARCH ESO ISS PBL14 END 56.549
HIERARCH ESO ISS PBLA14 START 342.505
HIERARCH ESO ISS PBLA14 END 342.999
HIERARCH ESO ISS PBL23 START 38.066
HIERARCH ESO ISS PBL23 END 37.952
HIERARCH ESO ISS PBLA23 START 222.7
HIERARCH ESO ISS PBLA23 END 223.0
HIERARCH ESO ISS PBL24 START 61.093
HIERARCH ESO ISS PBL24 END 60.875
HIERARCH ESO ISS PBLA24 START 50.16
HIERARCH ESO ISS PBLA24 END 50.502
HIERARCH ESO ISS PBL34 START 98.96
HIERARCH ESO ISS PBL34 END 98.628
HIERARCH ESO ISS PBLA34 START 47.292
HIERARCH ESO ISS PBLA34 END 47.628
HIERARCH ESO ISS AMBI TAU0 START 0.006402
HIERARCH ESO ISS AMBI TAU0 END 0.005234
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.56