Exposure
- ID
- GRAVI.2021-05-31T04:42:04.768_1
- Header ID
- GRAVI.2021-05-31T04:42:04.768
- Date updated
- 2021-05-31 04:55:30 UTC+0000
- Release date
- 2022-05-31 04:55:30 UTC+0000
- UTC Start
- 2021-05-31 04:42:04.768
- UTC End
- 2021-05-31 04:47:24.768
- MJD Start
- 59365.19588852
- MJD End
- 59365.1995922237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028995
- Ambient temperature (°C)
- 10.22
- Seeing (arcsec)
- 0.88
Observation
- ID
- 47500
- 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
- 35629
- Name
- S2
- RA
- 266.4168
- DEC
- -29.00714
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5290 | 56.5410 | 17.7000 | 18.4000 |
| U1-U3 | 102.2280 | 102.2820 | 23.8000 | 24.6000 |
| U1-U4 | 127.9520 | 128.3480 | 51.1640 | 52.0010 |
| U2-U3 | 46.4080 | 46.4590 | 31.2000 | 32.0000 |
| U2-U4 | 86.6050 | 87.0530 | 72.2650 | 73.0540 |
| U3-U4 | 59.9290 | 60.2920 | 102.8290 | 103.4450 |
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 | 59365.19588852 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| 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 | 56.529 |
| HIERARCH ESO ISS PBL12 END | 56.541 |
| HIERARCH ESO ISS PBLA12 START | 17.7 |
| HIERARCH ESO ISS PBLA12 END | 18.4 |
| HIERARCH ESO ISS PBL13 START | 102.228 |
| HIERARCH ESO ISS PBL13 END | 102.282 |
| HIERARCH ESO ISS PBLA13 START | 23.8 |
| HIERARCH ESO ISS PBLA13 END | 24.6 |
| HIERARCH ESO ISS PBL14 START | 127.952 |
| HIERARCH ESO ISS PBL14 END | 128.348 |
| HIERARCH ESO ISS PBLA14 START | 51.164 |
| HIERARCH ESO ISS PBLA14 END | 52.001 |
| HIERARCH ESO ISS PBL23 START | 46.408 |
| HIERARCH ESO ISS PBL23 END | 46.459 |
| HIERARCH ESO ISS PBLA23 START | 31.2 |
| HIERARCH ESO ISS PBLA23 END | 32.0 |
| HIERARCH ESO ISS PBL24 START | 86.605 |
| HIERARCH ESO ISS PBL24 END | 87.053 |
| HIERARCH ESO ISS PBLA24 START | 72.265 |
| HIERARCH ESO ISS PBLA24 END | 73.054 |
| HIERARCH ESO ISS PBL34 START | 59.929 |
| HIERARCH ESO ISS PBL34 END | 60.292 |
| HIERARCH ESO ISS PBLA34 START | 102.829 |
| HIERARCH ESO ISS PBLA34 END | 103.445 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00277 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003029 |
| HIERARCH ESO ISS AMBI TEMP | 10.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |