Exposure
- ID
- GRAVI.2021-06-25T02:53:15.201_2
- Header ID
- GRAVI.2021-06-25T02:53:15.201
- Date updated
- 2021-06-25 03:10:39 UTC+0000
- Release date
- 2022-06-25 03:10:39 UTC+0000
- UTC Start
- 2021-06-25 02:53:15.201
- UTC End
- 2021-06-25 02:58:35.201
- MJD Start
- 59390.12031483
- MJD End
- 59390.1240185337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005927
- Ambient temperature (°C)
- 10.88
- Seeing (arcsec)
- 0.445
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 56.5040 | 56.5190 | 16.3000 | 17.1000 |
| U1-U3 | 102.1130 | 102.1780 | 22.4000 | 23.1000 |
| U1-U4 | 127.1460 | 127.5990 | 49.5910 | 50.4570 |
| U2-U3 | 46.3040 | 46.3630 | 29.7000 | 30.6000 |
| U2-U4 | 85.6960 | 86.2070 | 70.7890 | 71.6010 |
| U3-U4 | 59.1920 | 59.6050 | 101.7100 | 102.3200 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.12031483 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 56.504 |
| HIERARCH ESO ISS PBL12 END | 56.519 |
| HIERARCH ESO ISS PBLA12 START | 16.3 |
| HIERARCH ESO ISS PBLA12 END | 17.1 |
| HIERARCH ESO ISS PBL13 START | 102.113 |
| HIERARCH ESO ISS PBL13 END | 102.178 |
| HIERARCH ESO ISS PBLA13 START | 22.4 |
| HIERARCH ESO ISS PBLA13 END | 23.1 |
| HIERARCH ESO ISS PBL14 START | 127.146 |
| HIERARCH ESO ISS PBL14 END | 127.599 |
| HIERARCH ESO ISS PBLA14 START | 49.591 |
| HIERARCH ESO ISS PBLA14 END | 50.457 |
| HIERARCH ESO ISS PBL23 START | 46.304 |
| HIERARCH ESO ISS PBL23 END | 46.363 |
| HIERARCH ESO ISS PBLA23 START | 29.7 |
| HIERARCH ESO ISS PBLA23 END | 30.6 |
| HIERARCH ESO ISS PBL24 START | 85.696 |
| HIERARCH ESO ISS PBL24 END | 86.207 |
| HIERARCH ESO ISS PBLA24 START | 70.789 |
| HIERARCH ESO ISS PBLA24 END | 71.601 |
| HIERARCH ESO ISS PBL34 START | 59.192 |
| HIERARCH ESO ISS PBL34 END | 59.605 |
| HIERARCH ESO ISS PBLA34 START | 101.71 |
| HIERARCH ESO ISS PBLA34 END | 102.32 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006565 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005289 |
| HIERARCH ESO ISS AMBI TEMP | 10.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |