Exposure
- ID
- GRAVI.2021-06-26T03:44:50.001_2
- Header ID
- GRAVI.2021-06-26T03:44:50.001
- Date updated
- 2021-06-26 04:00:38 UTC+0000
- Release date
- 2022-06-26 04:00:38 UTC+0000
- UTC Start
- 2021-06-26 03:44:50.001
- UTC End
- 2021-06-26 03:50:10.001
- MJD Start
- 59391.15613427
- MJD End
- 59391.1598379737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006329
- Ambient temperature (°C)
- 9.11
- Seeing (arcsec)
- 0.415
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5380 | 56.5220 | 23.2000 | 23.8000 |
| U1-U3 | 102.4240 | 102.4030 | 29.5000 | 30.2000 |
| U1-U4 | 130.0680 | 130.1580 | 57.3200 | 58.0360 |
| U2-U3 | 46.6410 | 46.6390 | 37.1000 | 37.8000 |
| U2-U4 | 89.1020 | 89.2450 | 78.1740 | 78.8840 |
| U3-U4 | 62.0200 | 62.1620 | 107.7700 | 108.4180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59391.15613427 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.538 |
| HIERARCH ESO ISS PBL12 END | 56.522 |
| HIERARCH ESO ISS PBLA12 START | 23.2 |
| HIERARCH ESO ISS PBLA12 END | 23.8 |
| HIERARCH ESO ISS PBL13 START | 102.424 |
| HIERARCH ESO ISS PBL13 END | 102.403 |
| HIERARCH ESO ISS PBLA13 START | 29.5 |
| HIERARCH ESO ISS PBLA13 END | 30.2 |
| HIERARCH ESO ISS PBL14 START | 130.068 |
| HIERARCH ESO ISS PBL14 END | 130.158 |
| HIERARCH ESO ISS PBLA14 START | 57.32 |
| HIERARCH ESO ISS PBLA14 END | 58.036 |
| HIERARCH ESO ISS PBL23 START | 46.641 |
| HIERARCH ESO ISS PBL23 END | 46.639 |
| HIERARCH ESO ISS PBLA23 START | 37.1 |
| HIERARCH ESO ISS PBLA23 END | 37.8 |
| HIERARCH ESO ISS PBL24 START | 89.102 |
| HIERARCH ESO ISS PBL24 END | 89.245 |
| HIERARCH ESO ISS PBLA24 START | 78.174 |
| HIERARCH ESO ISS PBLA24 END | 78.884 |
| HIERARCH ESO ISS PBL34 START | 62.02 |
| HIERARCH ESO ISS PBL34 END | 62.162 |
| HIERARCH ESO ISS PBLA34 START | 107.77 |
| HIERARCH ESO ISS PBLA34 END | 108.418 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006714 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005944 |
| HIERARCH ESO ISS AMBI TEMP | 9.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |