Exposure
- ID
- GRAVI.2021-05-25T08:54:36.308_1
- Header ID
- GRAVI.2021-05-25T08:54:36.308
- Date updated
- 2021-05-25 09:06:06 UTC+0000
- Release date
- 2022-05-25 09:06:06 UTC+0000
- UTC Start
- 2021-05-25 08:54:36.308
- UTC End
- 2021-05-25 08:59:56.308
- MJD Start
- 59359.37125357
- MJD End
- 59359.3749572737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035525
- Ambient temperature (°C)
- 11.83
- Seeing (arcsec)
- 0.875
Observation
- ID
- 47464
- Category
- science
- Program ID
- 105.20B2.002
- 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
- 35600
- Name
- S2
- RA
- 266.417087
- DEC
- -29.00718
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.1080 | 51.8000 | 38.8000 | 39.0000 |
| U1-U3 | 92.2790 | 91.5770 | 45.0000 | 45.2000 |
| U1-U4 | 107.4900 | 105.9010 | 75.9570 | 76.4440 |
| U2-U3 | 40.8700 | 40.4690 | 52.9000 | 53.2000 |
| U2-U4 | 73.1160 | 71.9940 | 101.4750 | 102.3580 |
| U3-U4 | 55.3220 | 54.8710 | 135.0970 | 136.2740 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59359.37125357 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417087 |
| DEC | -29.00718 |
| 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 | 52.108 |
| HIERARCH ESO ISS PBL12 END | 51.8 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.0 |
| HIERARCH ESO ISS PBL13 START | 92.279 |
| HIERARCH ESO ISS PBL13 END | 91.577 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.2 |
| HIERARCH ESO ISS PBL14 START | 107.49 |
| HIERARCH ESO ISS PBL14 END | 105.901 |
| HIERARCH ESO ISS PBLA14 START | 75.957 |
| HIERARCH ESO ISS PBLA14 END | 76.444 |
| HIERARCH ESO ISS PBL23 START | 40.87 |
| HIERARCH ESO ISS PBL23 END | 40.469 |
| HIERARCH ESO ISS PBLA23 START | 52.9 |
| HIERARCH ESO ISS PBLA23 END | 53.2 |
| HIERARCH ESO ISS PBL24 START | 73.116 |
| HIERARCH ESO ISS PBL24 END | 71.994 |
| HIERARCH ESO ISS PBLA24 START | 101.475 |
| HIERARCH ESO ISS PBLA24 END | 102.358 |
| HIERARCH ESO ISS PBL34 START | 55.322 |
| HIERARCH ESO ISS PBL34 END | 54.871 |
| HIERARCH ESO ISS PBLA34 START | 135.097 |
| HIERARCH ESO ISS PBLA34 END | 136.274 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003395 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00371 |
| HIERARCH ESO ISS AMBI TEMP | 11.83 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |