Exposure
- ID
- GRAVI.2021-05-24T04:57:59.508_2
- Header ID
- GRAVI.2021-05-24T04:57:59.508
- Date updated
- 2021-05-24 05:10:22 UTC+0000
- Release date
- 2022-05-24 05:10:22 UTC+0000
- UTC Start
- 2021-05-24 04:57:59.508
- UTC End
- 2021-05-24 05:03:19.508
- MJD Start
- 59358.20693875
- MJD End
- 59358.2106424537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067135
- Ambient temperature (°C)
- 12.48
- Seeing (arcsec)
- 0.345
Observation
- ID
- 47451
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 56.5010 | 56.5160 | 16.2000 | 16.9000 |
| U1-U3 | 102.1000 | 102.1660 | 22.2000 | 23.0000 |
| U1-U4 | 127.0580 | 127.5150 | 49.4260 | 50.2930 |
| U2-U3 | 46.2930 | 46.3520 | 29.6000 | 30.4000 |
| U2-U4 | 85.5970 | 86.1130 | 70.6360 | 71.4470 |
| U3-U4 | 59.1120 | 59.5300 | 101.5960 | 102.2030 |
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 | 59358.20693875 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| 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 | 56.501 |
| HIERARCH ESO ISS PBL12 END | 56.516 |
| HIERARCH ESO ISS PBLA12 START | 16.2 |
| HIERARCH ESO ISS PBLA12 END | 16.9 |
| HIERARCH ESO ISS PBL13 START | 102.1 |
| HIERARCH ESO ISS PBL13 END | 102.166 |
| HIERARCH ESO ISS PBLA13 START | 22.2 |
| HIERARCH ESO ISS PBLA13 END | 23.0 |
| HIERARCH ESO ISS PBL14 START | 127.058 |
| HIERARCH ESO ISS PBL14 END | 127.515 |
| HIERARCH ESO ISS PBLA14 START | 49.426 |
| HIERARCH ESO ISS PBLA14 END | 50.293 |
| HIERARCH ESO ISS PBL23 START | 46.293 |
| HIERARCH ESO ISS PBL23 END | 46.352 |
| HIERARCH ESO ISS PBLA23 START | 29.6 |
| HIERARCH ESO ISS PBLA23 END | 30.4 |
| HIERARCH ESO ISS PBL24 START | 85.597 |
| HIERARCH ESO ISS PBL24 END | 86.113 |
| HIERARCH ESO ISS PBLA24 START | 70.636 |
| HIERARCH ESO ISS PBLA24 END | 71.447 |
| HIERARCH ESO ISS PBL34 START | 59.112 |
| HIERARCH ESO ISS PBL34 END | 59.53 |
| HIERARCH ESO ISS PBLA34 START | 101.596 |
| HIERARCH ESO ISS PBLA34 END | 102.203 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006503 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006924 |
| HIERARCH ESO ISS AMBI TEMP | 12.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |