Exposure
- ID
- GRAVI.2021-05-23T05:44:48.341_1
- Header ID
- GRAVI.2021-05-23T05:44:48.341
- Date updated
- 2021-05-23 06:00:32 UTC+0000
- Release date
- 2022-05-23 06:00:32 UTC+0000
- UTC Start
- 2021-05-23 05:44:48.341
- UTC End
- 2021-05-23 05:50:08.341
- MJD Start
- 59357.23944839
- MJD End
- 59357.2431520937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0084325
- Ambient temperature (°C)
- 11.57
- Seeing (arcsec)
- 0.255
Observation
- ID
- 47450
- 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
- 35589
- Name
- S2
- RA
- 266.416924
- DEC
- -29.00736
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5580 | 56.5530 | 21.6000 | 22.3000 |
| U1-U3 | 102.4280 | 102.4340 | 27.8000 | 28.5000 |
| U1-U4 | 129.6780 | 129.8710 | 55.5480 | 56.3020 |
| U2-U3 | 46.6140 | 46.6300 | 35.4000 | 36.1000 |
| U2-U4 | 88.5960 | 88.8350 | 76.4420 | 77.1750 |
| U3-U4 | 61.5670 | 61.7760 | 106.2400 | 106.8800 |
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 | 59357.23944839 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| DEC | -29.00736 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 21.6 |
| HIERARCH ESO ISS PBLA12 END | 22.3 |
| HIERARCH ESO ISS PBL13 START | 102.428 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.8 |
| HIERARCH ESO ISS PBLA13 END | 28.5 |
| HIERARCH ESO ISS PBL14 START | 129.678 |
| HIERARCH ESO ISS PBL14 END | 129.871 |
| HIERARCH ESO ISS PBLA14 START | 55.548 |
| HIERARCH ESO ISS PBLA14 END | 56.302 |
| HIERARCH ESO ISS PBL23 START | 46.614 |
| HIERARCH ESO ISS PBL23 END | 46.63 |
| HIERARCH ESO ISS PBLA23 START | 35.4 |
| HIERARCH ESO ISS PBLA23 END | 36.1 |
| HIERARCH ESO ISS PBL24 START | 88.596 |
| HIERARCH ESO ISS PBL24 END | 88.835 |
| HIERARCH ESO ISS PBLA24 START | 76.442 |
| HIERARCH ESO ISS PBLA24 END | 77.175 |
| HIERARCH ESO ISS PBL34 START | 61.567 |
| HIERARCH ESO ISS PBL34 END | 61.776 |
| HIERARCH ESO ISS PBLA34 START | 106.24 |
| HIERARCH ESO ISS PBLA34 END | 106.88 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008998 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007867 |
| HIERARCH ESO ISS AMBI TEMP | 11.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.26 |
| HIERARCH ESO ISS AMBI FWHM END | 0.25 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |