Exposure
- ID
- GRAVI.2021-05-25T08:07:48.191_1
- Header ID
- GRAVI.2021-05-25T08:07:48.191
- Date updated
- 2021-05-25 08:20:41 UTC+0000
- Release date
- 2022-05-25 08:20:40 UTC+0000
- UTC Start
- 2021-05-25 08:07:48.191
- UTC End
- 2021-05-25 08:13:08.191
- MJD Start
- 59359.33875221
- MJD End
- 59359.3424559137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003302
- Ambient temperature (°C)
- 12.38
- Seeing (arcsec)
- 0.805
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 | 54.1890 | 53.9750 | 36.0000 | 36.4000 |
| U1-U3 | 97.0620 | 96.5660 | 42.3000 | 42.7000 |
| U1-U4 | 118.4810 | 117.3280 | 71.8600 | 72.3760 |
| U2-U3 | 43.6110 | 43.3260 | 50.2000 | 50.6000 |
| U2-U4 | 81.0450 | 80.2000 | 94.9210 | 95.6740 |
| U3-U4 | 58.7390 | 58.3580 | 126.4340 | 127.4120 |
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 | 59359.33875221 |
| 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 | 54.189 |
| HIERARCH ESO ISS PBL12 END | 53.975 |
| HIERARCH ESO ISS PBLA12 START | 36.0 |
| HIERARCH ESO ISS PBLA12 END | 36.4 |
| HIERARCH ESO ISS PBL13 START | 97.062 |
| HIERARCH ESO ISS PBL13 END | 96.566 |
| HIERARCH ESO ISS PBLA13 START | 42.3 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 118.481 |
| HIERARCH ESO ISS PBL14 END | 117.328 |
| HIERARCH ESO ISS PBLA14 START | 71.86 |
| HIERARCH ESO ISS PBLA14 END | 72.376 |
| HIERARCH ESO ISS PBL23 START | 43.611 |
| HIERARCH ESO ISS PBL23 END | 43.326 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.6 |
| HIERARCH ESO ISS PBL24 START | 81.045 |
| HIERARCH ESO ISS PBL24 END | 80.2 |
| HIERARCH ESO ISS PBLA24 START | 94.921 |
| HIERARCH ESO ISS PBLA24 END | 95.674 |
| HIERARCH ESO ISS PBL34 START | 58.739 |
| HIERARCH ESO ISS PBL34 END | 58.358 |
| HIERARCH ESO ISS PBLA34 START | 126.434 |
| HIERARCH ESO ISS PBLA34 END | 127.412 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003626 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002978 |
| HIERARCH ESO ISS AMBI TEMP | 12.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |