Exposure
- ID
- GRAVI.2024-06-25T03:10:56.371_2
- Header ID
- GRAVI.2024-06-25T03:10:56.371
- Date updated
- 2024-06-25 03:25:32 UTC+0000
- Release date
- 2025-06-25 03:25:32 UTC+0000
- UTC Start
- 2024-06-25 03:10:56.371
- UTC End
- 2024-06-25 03:16:16.371
- MJD Start
- 60486.13259689
- MJD End
- 60486.1363005937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002513
- Ambient temperature (°C)
- 9.73
- Seeing (arcsec)
- 0.875
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.5450 | 56.5520 | 18.7000 | 19.4000 |
| U1-U3 | 102.3030 | 102.3460 | 24.9000 | 25.6000 |
| U1-U4 | 128.5020 | 128.8450 | 52.3420 | 53.1460 |
| U2-U3 | 46.4780 | 46.5210 | 32.3000 | 33.1000 |
| U2-U4 | 87.2270 | 87.6180 | 73.3760 | 74.1380 |
| U3-U4 | 60.4330 | 60.7520 | 103.7000 | 104.3120 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60486.13259689 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 56.545 |
| HIERARCH ESO ISS PBL12 END | 56.552 |
| HIERARCH ESO ISS PBLA12 START | 18.7 |
| HIERARCH ESO ISS PBLA12 END | 19.4 |
| HIERARCH ESO ISS PBL13 START | 102.303 |
| HIERARCH ESO ISS PBL13 END | 102.346 |
| HIERARCH ESO ISS PBLA13 START | 24.9 |
| HIERARCH ESO ISS PBLA13 END | 25.6 |
| HIERARCH ESO ISS PBL14 START | 128.502 |
| HIERARCH ESO ISS PBL14 END | 128.845 |
| HIERARCH ESO ISS PBLA14 START | 52.342 |
| HIERARCH ESO ISS PBLA14 END | 53.146 |
| HIERARCH ESO ISS PBL23 START | 46.478 |
| HIERARCH ESO ISS PBL23 END | 46.521 |
| HIERARCH ESO ISS PBLA23 START | 32.3 |
| HIERARCH ESO ISS PBLA23 END | 33.1 |
| HIERARCH ESO ISS PBL24 START | 87.227 |
| HIERARCH ESO ISS PBL24 END | 87.618 |
| HIERARCH ESO ISS PBLA24 START | 73.376 |
| HIERARCH ESO ISS PBLA24 END | 74.138 |
| HIERARCH ESO ISS PBL34 START | 60.433 |
| HIERARCH ESO ISS PBL34 END | 60.752 |
| HIERARCH ESO ISS PBLA34 START | 103.7 |
| HIERARCH ESO ISS PBLA34 END | 104.312 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002471 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002555 |
| HIERARCH ESO ISS AMBI TEMP | 9.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.84 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |