Exposure
- ID
- GRAVI.2021-03-28T07:49:11.283_2
- Header ID
- GRAVI.2021-03-28T07:49:11.283
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 08:05:21 UTC+0000
- UTC Start
- 2021-03-28 07:49:11.283
- UTC End
- 2021-03-28 07:54:31.283
- MJD Start
- 59301.32582503
- MJD End
- 59301.3295287337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003798
- Ambient temperature (°C)
- 12.42
- Seeing (arcsec)
- 0.695
Observation
- ID
- 47323
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.3320 | 56.3490 | 9.0000 | 9.8000 |
| U1-U3 | 101.3630 | 101.4450 | 14.5000 | 15.4000 |
| U1-U4 | 121.6890 | 122.3430 | 40.4930 | 41.5420 |
| U2-U3 | 45.6210 | 45.6980 | 21.4000 | 22.3000 |
| U2-U4 | 79.3440 | 80.1320 | 62.2870 | 63.2740 |
| U3-U4 | 53.9170 | 54.5910 | 95.9530 | 96.5710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59301.32582503 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.332 |
| HIERARCH ESO ISS PBL12 END | 56.349 |
| HIERARCH ESO ISS PBLA12 START | 9.0 |
| HIERARCH ESO ISS PBLA12 END | 9.8 |
| HIERARCH ESO ISS PBL13 START | 101.363 |
| HIERARCH ESO ISS PBL13 END | 101.445 |
| HIERARCH ESO ISS PBLA13 START | 14.5 |
| HIERARCH ESO ISS PBLA13 END | 15.4 |
| HIERARCH ESO ISS PBL14 START | 121.689 |
| HIERARCH ESO ISS PBL14 END | 122.343 |
| HIERARCH ESO ISS PBLA14 START | 40.493 |
| HIERARCH ESO ISS PBLA14 END | 41.542 |
| HIERARCH ESO ISS PBL23 START | 45.621 |
| HIERARCH ESO ISS PBL23 END | 45.698 |
| HIERARCH ESO ISS PBLA23 START | 21.4 |
| HIERARCH ESO ISS PBLA23 END | 22.3 |
| HIERARCH ESO ISS PBL24 START | 79.344 |
| HIERARCH ESO ISS PBL24 END | 80.132 |
| HIERARCH ESO ISS PBLA24 START | 62.287 |
| HIERARCH ESO ISS PBLA24 END | 63.274 |
| HIERARCH ESO ISS PBL34 START | 53.917 |
| HIERARCH ESO ISS PBL34 END | 54.591 |
| HIERARCH ESO ISS PBLA34 START | 95.953 |
| HIERARCH ESO ISS PBLA34 END | 96.571 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00391 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003686 |
| HIERARCH ESO ISS AMBI TEMP | 12.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |