Exposure
- ID
- GRAVI.2021-05-31T07:02:20.122_1
- Header ID
- GRAVI.2021-05-31T07:02:20.122
- Date updated
- 2021-05-31 07:16:09 UTC+0000
- Release date
- 2022-05-31 07:16:09 UTC+0000
- UTC Start
- 2021-05-31 07:02:20.122
- UTC End
- 2021-05-31 07:07:40.122
- MJD Start
- 59365.29328845
- MJD End
- 59365.2969921537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003449
- Ambient temperature (°C)
- 10.26
- 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 | 55.4330 | 55.2960 | 32.8000 | 33.3000 |
| U1-U3 | 99.9520 | 99.6320 | 39.2000 | 39.6000 |
| U1-U4 | 125.2400 | 124.4930 | 67.9180 | 68.4730 |
| U2-U3 | 45.2800 | 45.0950 | 47.0000 | 47.4000 |
| U2-U4 | 86.0350 | 85.4830 | 89.6790 | 90.3720 |
| U3-U4 | 61.0570 | 60.7980 | 119.8820 | 120.7170 |
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 | 59365.29328845 |
| 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 | 55.433 |
| HIERARCH ESO ISS PBL12 END | 55.296 |
| HIERARCH ESO ISS PBLA12 START | 32.8 |
| HIERARCH ESO ISS PBLA12 END | 33.3 |
| HIERARCH ESO ISS PBL13 START | 99.952 |
| HIERARCH ESO ISS PBL13 END | 99.632 |
| HIERARCH ESO ISS PBLA13 START | 39.2 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 125.24 |
| HIERARCH ESO ISS PBL14 END | 124.493 |
| HIERARCH ESO ISS PBLA14 START | 67.918 |
| HIERARCH ESO ISS PBLA14 END | 68.473 |
| HIERARCH ESO ISS PBL23 START | 45.28 |
| HIERARCH ESO ISS PBL23 END | 45.095 |
| HIERARCH ESO ISS PBLA23 START | 47.0 |
| HIERARCH ESO ISS PBLA23 END | 47.4 |
| HIERARCH ESO ISS PBL24 START | 86.035 |
| HIERARCH ESO ISS PBL24 END | 85.483 |
| HIERARCH ESO ISS PBLA24 START | 89.679 |
| HIERARCH ESO ISS PBLA24 END | 90.372 |
| HIERARCH ESO ISS PBL34 START | 61.057 |
| HIERARCH ESO ISS PBL34 END | 60.798 |
| HIERARCH ESO ISS PBLA34 START | 119.882 |
| HIERARCH ESO ISS PBLA34 END | 120.717 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003738 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00316 |
| HIERARCH ESO ISS AMBI TEMP | 10.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |