Exposure
- ID
- GRAVI.2021-05-31T07:42:29.223_2
- Header ID
- GRAVI.2021-05-31T07:42:29.223
- Date updated
- 2021-05-31 08:00:28 UTC+0000
- Release date
- 2022-05-31 08:00:28 UTC+0000
- UTC Start
- 2021-05-31 07:42:29.223
- UTC End
- 2021-05-31 07:47:49.223
- MJD Start
- 59365.32117156
- MJD End
- 59365.3248752637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035205
- Ambient temperature (°C)
- 10.26
- Seeing (arcsec)
- 0.91
Observation
- ID
- 47463
- 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
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.2530 | 54.0420 | 35.9000 | 36.3000 |
| U1-U3 | 97.2090 | 96.7210 | 42.2000 | 42.6000 |
| U1-U4 | 118.8250 | 117.6890 | 71.6990 | 72.2170 |
| U2-U3 | 43.6960 | 43.4150 | 50.0000 | 50.4000 |
| U2-U4 | 81.2980 | 80.4650 | 94.6910 | 95.4410 |
| U3-U4 | 58.8540 | 58.4770 | 126.1370 | 127.1080 |
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 | 59365.32117156 |
| 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 | 54.253 |
| HIERARCH ESO ISS PBL12 END | 54.042 |
| HIERARCH ESO ISS PBLA12 START | 35.9 |
| HIERARCH ESO ISS PBLA12 END | 36.3 |
| HIERARCH ESO ISS PBL13 START | 97.209 |
| HIERARCH ESO ISS PBL13 END | 96.721 |
| HIERARCH ESO ISS PBLA13 START | 42.2 |
| HIERARCH ESO ISS PBLA13 END | 42.6 |
| HIERARCH ESO ISS PBL14 START | 118.825 |
| HIERARCH ESO ISS PBL14 END | 117.689 |
| HIERARCH ESO ISS PBLA14 START | 71.699 |
| HIERARCH ESO ISS PBLA14 END | 72.217 |
| HIERARCH ESO ISS PBL23 START | 43.696 |
| HIERARCH ESO ISS PBL23 END | 43.415 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.298 |
| HIERARCH ESO ISS PBL24 END | 80.465 |
| HIERARCH ESO ISS PBLA24 START | 94.691 |
| HIERARCH ESO ISS PBLA24 END | 95.441 |
| HIERARCH ESO ISS PBL34 START | 58.854 |
| HIERARCH ESO ISS PBL34 END | 58.477 |
| HIERARCH ESO ISS PBLA34 START | 126.137 |
| HIERARCH ESO ISS PBLA34 END | 127.108 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003391 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00365 |
| HIERARCH ESO ISS AMBI TEMP | 10.26 |
| HIERARCH ESO ISS AMBI FWHM START | 1.07 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |