Exposure
- ID
- GRAVI.2021-05-31T05:44:58.927_2
- Header ID
- GRAVI.2021-05-31T05:44:58.927
- Date updated
- 2021-05-31 06:00:25 UTC+0000
- Release date
- 2022-05-31 06:00:25 UTC+0000
- UTC Start
- 2021-05-31 05:44:58.927
- UTC End
- 2021-05-31 05:50:18.927
- MJD Start
- 59365.23957091
- MJD End
- 59365.2432746137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026515
- Ambient temperature (°C)
- 10.1
- Seeing (arcsec)
- 0.94
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 | 56.4720 | 56.4400 | 25.2000 | 25.9000 |
| U1-U3 | 102.3130 | 102.2490 | 31.6000 | 32.2000 |
| U1-U4 | 130.2010 | 130.1480 | 59.5530 | 60.2260 |
| U2-U3 | 46.6050 | 46.5750 | 39.3000 | 39.9000 |
| U2-U4 | 89.4140 | 89.4280 | 80.4090 | 81.0960 |
| U3-U4 | 62.3760 | 62.4340 | 109.8550 | 110.5210 |
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 | 59365.23957091 |
| 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 | 56.472 |
| HIERARCH ESO ISS PBL12 END | 56.44 |
| HIERARCH ESO ISS PBLA12 START | 25.2 |
| HIERARCH ESO ISS PBLA12 END | 25.9 |
| HIERARCH ESO ISS PBL13 START | 102.313 |
| HIERARCH ESO ISS PBL13 END | 102.249 |
| HIERARCH ESO ISS PBLA13 START | 31.6 |
| HIERARCH ESO ISS PBLA13 END | 32.2 |
| HIERARCH ESO ISS PBL14 START | 130.201 |
| HIERARCH ESO ISS PBL14 END | 130.148 |
| HIERARCH ESO ISS PBLA14 START | 59.553 |
| HIERARCH ESO ISS PBLA14 END | 60.226 |
| HIERARCH ESO ISS PBL23 START | 46.605 |
| HIERARCH ESO ISS PBL23 END | 46.575 |
| HIERARCH ESO ISS PBLA23 START | 39.3 |
| HIERARCH ESO ISS PBLA23 END | 39.9 |
| HIERARCH ESO ISS PBL24 START | 89.414 |
| HIERARCH ESO ISS PBL24 END | 89.428 |
| HIERARCH ESO ISS PBLA24 START | 80.409 |
| HIERARCH ESO ISS PBLA24 END | 81.096 |
| HIERARCH ESO ISS PBL34 START | 62.376 |
| HIERARCH ESO ISS PBL34 END | 62.434 |
| HIERARCH ESO ISS PBLA34 START | 109.855 |
| HIERARCH ESO ISS PBLA34 END | 110.521 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002434 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002869 |
| HIERARCH ESO ISS AMBI TEMP | 10.1 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |