Exposure
- ID
- GRAVI.2021-05-31T04:28:16.734_1
- Header ID
- GRAVI.2021-05-31T04:28:16.734
- Date updated
- 2021-05-31 04:45:25 UTC+0000
- Release date
- 2022-05-31 04:45:25 UTC+0000
- UTC Start
- 2021-05-31 04:28:16.734
- UTC End
- 2021-05-31 04:33:36.734
- MJD Start
- 59365.18630479
- MJD End
- 59365.1900084937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003346
- Ambient temperature (°C)
- 10.25
- Seeing (arcsec)
- 0.97
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 | 56.4950 | 56.5100 | 15.9000 | 16.6000 |
| U1-U3 | 102.0730 | 102.1410 | 21.9000 | 22.7000 |
| U1-U4 | 126.8720 | 127.3400 | 49.0840 | 49.9570 |
| U2-U3 | 46.2690 | 46.3290 | 29.3000 | 30.1000 |
| U2-U4 | 85.3860 | 85.9150 | 70.3150 | 71.1320 |
| U3-U4 | 58.9410 | 59.3700 | 101.3590 | 101.9660 |
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 | 59365.18630479 |
| 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 | 56.495 |
| HIERARCH ESO ISS PBL12 END | 56.51 |
| HIERARCH ESO ISS PBLA12 START | 15.9 |
| HIERARCH ESO ISS PBLA12 END | 16.6 |
| HIERARCH ESO ISS PBL13 START | 102.073 |
| HIERARCH ESO ISS PBL13 END | 102.141 |
| HIERARCH ESO ISS PBLA13 START | 21.9 |
| HIERARCH ESO ISS PBLA13 END | 22.7 |
| HIERARCH ESO ISS PBL14 START | 126.872 |
| HIERARCH ESO ISS PBL14 END | 127.34 |
| HIERARCH ESO ISS PBLA14 START | 49.084 |
| HIERARCH ESO ISS PBLA14 END | 49.957 |
| HIERARCH ESO ISS PBL23 START | 46.269 |
| HIERARCH ESO ISS PBL23 END | 46.329 |
| HIERARCH ESO ISS PBLA23 START | 29.3 |
| HIERARCH ESO ISS PBLA23 END | 30.1 |
| HIERARCH ESO ISS PBL24 START | 85.386 |
| HIERARCH ESO ISS PBL24 END | 85.915 |
| HIERARCH ESO ISS PBLA24 START | 70.315 |
| HIERARCH ESO ISS PBLA24 END | 71.132 |
| HIERARCH ESO ISS PBL34 START | 58.941 |
| HIERARCH ESO ISS PBL34 END | 59.37 |
| HIERARCH ESO ISS PBLA34 START | 101.359 |
| HIERARCH ESO ISS PBLA34 END | 101.966 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003092 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0036 |
| HIERARCH ESO ISS AMBI TEMP | 10.25 |
| HIERARCH ESO ISS AMBI FWHM START | 1.02 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |