Exposure
- ID
- GRAVI.2021-05-31T04:34:55.751_1
- Header ID
- GRAVI.2021-05-31T04:34:55.751
- Date updated
- 2021-05-31 04:50:13 UTC+0000
- Release date
- 2022-05-31 04:50:13 UTC+0000
- UTC Start
- 2021-05-31 04:34:55.751
- UTC End
- 2021-05-31 04:40:15.751
- MJD Start
- 59365.19092304
- MJD End
- 59365.1946267437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002765
- Ambient temperature (°C)
- 10.25
- Seeing (arcsec)
- 1.0
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 | 56.5130 | 56.5260 | 16.8000 | 17.5000 |
| U1-U3 | 102.1520 | 102.2140 | 22.8000 | 23.6000 |
| U1-U4 | 127.4140 | 127.8500 | 50.0980 | 50.9570 |
| U2-U3 | 46.3390 | 46.3950 | 30.2000 | 31.0000 |
| U2-U4 | 85.9990 | 86.4910 | 71.2650 | 72.0700 |
| U3-U4 | 59.4370 | 59.8360 | 102.0660 | 102.6790 |
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 | 59365.19092304 |
| 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 | 56.513 |
| HIERARCH ESO ISS PBL12 END | 56.526 |
| HIERARCH ESO ISS PBLA12 START | 16.8 |
| HIERARCH ESO ISS PBLA12 END | 17.5 |
| HIERARCH ESO ISS PBL13 START | 102.152 |
| HIERARCH ESO ISS PBL13 END | 102.214 |
| HIERARCH ESO ISS PBLA13 START | 22.8 |
| HIERARCH ESO ISS PBLA13 END | 23.6 |
| HIERARCH ESO ISS PBL14 START | 127.414 |
| HIERARCH ESO ISS PBL14 END | 127.85 |
| HIERARCH ESO ISS PBLA14 START | 50.098 |
| HIERARCH ESO ISS PBLA14 END | 50.957 |
| HIERARCH ESO ISS PBL23 START | 46.339 |
| HIERARCH ESO ISS PBL23 END | 46.395 |
| HIERARCH ESO ISS PBLA23 START | 30.2 |
| HIERARCH ESO ISS PBLA23 END | 31.0 |
| HIERARCH ESO ISS PBL24 START | 85.999 |
| HIERARCH ESO ISS PBL24 END | 86.491 |
| HIERARCH ESO ISS PBLA24 START | 71.265 |
| HIERARCH ESO ISS PBLA24 END | 72.07 |
| HIERARCH ESO ISS PBL34 START | 59.437 |
| HIERARCH ESO ISS PBL34 END | 59.836 |
| HIERARCH ESO ISS PBLA34 START | 102.066 |
| HIERARCH ESO ISS PBLA34 END | 102.679 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003083 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002447 |
| HIERARCH ESO ISS AMBI TEMP | 10.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.95 |
| HIERARCH ESO ISS AMBI FWHM END | 1.05 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |