Exposure
ID
MATIS.2025-08-14T03:40:36.718_1
Header ID
MATIS.2025-08-14T03:40:36.718
Date updated
2025-08-14 03:50:51 UTC+0000
Release date
2025-08-14 03:40:36 UTC+0000
UTC Start
2025-08-14 03:40:36.718
UTC End
2025-08-14 03:41:36.726
MJD Start
60901.15320276
MJD End
60901.15389729704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0078475
Ambient temperature (°C)
14.53
Seeing (arcsec)
0.885
Observation
ID
69988
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
51927
Name
del Sgr
RA
275.248086
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 108.0550 107.8430 252.9000 253.0000
K0-D0 84.1600 83.9810 265.7000 265.9000
K0-J3 56.3840 56.3800 348.9770 349.1220
B2-D0 32.0160 31.9890 37.2000 37.3000
B2-J3 127.0600 126.9100 46.7230 46.7860
D0-J3 95.6320 95.5090 49.8980 49.9630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60901.15320276
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248086
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 108.055
HIERARCH ESO ISS PBL12 END 107.843
HIERARCH ESO ISS PBLA12 START 252.9
HIERARCH ESO ISS PBLA12 END 253.0
HIERARCH ESO ISS PBL13 START 84.16
HIERARCH ESO ISS PBL13 END 83.981
HIERARCH ESO ISS PBLA13 START 265.7
HIERARCH ESO ISS PBLA13 END 265.9
HIERARCH ESO ISS PBL14 START 56.384
HIERARCH ESO ISS PBL14 END 56.38
HIERARCH ESO ISS PBLA14 START 348.977
HIERARCH ESO ISS PBLA14 END 349.122
HIERARCH ESO ISS PBL23 START 32.016
HIERARCH ESO ISS PBL23 END 31.989
HIERARCH ESO ISS PBLA23 START 37.2
HIERARCH ESO ISS PBLA23 END 37.3
HIERARCH ESO ISS PBL24 START 127.06
HIERARCH ESO ISS PBL24 END 126.91
HIERARCH ESO ISS PBLA24 START 46.723
HIERARCH ESO ISS PBLA24 END 46.786
HIERARCH ESO ISS PBL34 START 95.632
HIERARCH ESO ISS PBL34 END 95.509
HIERARCH ESO ISS PBLA34 START 49.898
HIERARCH ESO ISS PBLA34 END 49.963
HIERARCH ESO ISS AMBI TAU0 START 0.008036
HIERARCH ESO ISS AMBI TAU0 END 0.007659
HIERARCH ESO ISS AMBI TEMP 14.53
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.98