Exposure
- ID
- GRAVI.2021-06-26T02:14:31.774_2
- Header ID
- GRAVI.2021-06-26T02:14:31.774
- Date updated
- 2021-06-26 02:30:36 UTC+0000
- Release date
- 2022-06-26 02:30:36 UTC+0000
- UTC Start
- 2021-06-26 02:14:31.774
- UTC End
- 2021-06-26 02:19:51.774
- MJD Start
- 59391.09342331
- MJD End
- 59391.0971270137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004454
- Ambient temperature (°C)
- 9.24
- Seeing (arcsec)
- 0.555
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 | 56.3940 | 56.4130 | 11.6000 | 12.4000 |
| U1-U3 | 101.6410 | 101.7240 | 17.4000 | 18.2000 |
| U1-U4 | 123.8260 | 124.4300 | 43.9240 | 44.9050 |
| U2-U3 | 45.8800 | 45.9550 | 24.5000 | 25.4000 |
| U2-U4 | 81.8890 | 82.5920 | 65.5040 | 66.4200 |
| U3-U4 | 56.0700 | 56.6540 | 98.0090 | 98.6190 |
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 | 59391.09342331 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.394 |
| HIERARCH ESO ISS PBL12 END | 56.413 |
| HIERARCH ESO ISS PBLA12 START | 11.6 |
| HIERARCH ESO ISS PBLA12 END | 12.4 |
| HIERARCH ESO ISS PBL13 START | 101.641 |
| HIERARCH ESO ISS PBL13 END | 101.724 |
| HIERARCH ESO ISS PBLA13 START | 17.4 |
| HIERARCH ESO ISS PBLA13 END | 18.2 |
| HIERARCH ESO ISS PBL14 START | 123.826 |
| HIERARCH ESO ISS PBL14 END | 124.43 |
| HIERARCH ESO ISS PBLA14 START | 43.924 |
| HIERARCH ESO ISS PBLA14 END | 44.905 |
| HIERARCH ESO ISS PBL23 START | 45.88 |
| HIERARCH ESO ISS PBL23 END | 45.955 |
| HIERARCH ESO ISS PBLA23 START | 24.5 |
| HIERARCH ESO ISS PBLA23 END | 25.4 |
| HIERARCH ESO ISS PBL24 START | 81.889 |
| HIERARCH ESO ISS PBL24 END | 82.592 |
| HIERARCH ESO ISS PBLA24 START | 65.504 |
| HIERARCH ESO ISS PBLA24 END | 66.42 |
| HIERARCH ESO ISS PBL34 START | 56.07 |
| HIERARCH ESO ISS PBL34 END | 56.654 |
| HIERARCH ESO ISS PBLA34 START | 98.009 |
| HIERARCH ESO ISS PBLA34 END | 98.619 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004106 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004802 |
| HIERARCH ESO ISS AMBI TEMP | 9.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |