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O B S E R V A T I O N   C A T A L O G

OBSID:
26864
Title:
X-ray confirmation of optically selected IMBH-powered AGN and high-resolution imaging of their host galaxies
Investigator:
Chilingarian
Observer:
Chilingarian, Igor
Phone:
8572505718
Email:
igor.chilingarian@cfa.harvard.edu
Target Name:
SDSSJ112339.00+232259.0
Sequence Number:
704785
Instrument:
ACIS-S
Grating:
NONE
SI Mode:
TE_004A4B
Raster Scan:
N
Annotated DOT:
MAY2024a

Proposal Number:
24700352
Right Ascension:
170.913
Declination:
23.3831
Status:
archived
Start Date:
2024-05-21 19:18:09
Category:
ACTIVE GALAXIES AND QUASARS
Type:
GO
AO Cycle:
24
Dither Flag:
Y
Y Offset:
0
Z Offset:
0
Est. Count Rate:
0.0642933
Order-1 Count Rate:

Exposure Time:
3.5
Time Remaining:
3.462
Reqd Start Time:

Reqd Stop Time:

Period:

Epoch:

Start of Period:

End of Period:

PS Margin:

PE Margin:

Max Segments:
0

ACIS Mode:
TE
Standard?:
No
BEP Mode:
VF
Dropped Chip Count:
0
Optional Chips:
I2 I3 S1 S4
On-Chip Summing?:
No
Row Sum:

Column Sum:

Frame Time:

Subarray Mode:
NONE
Starting Row:
0
Row Count:
1023
Subarray Frame Time:


Duty Cycle?:
No
Cycle Count:
0
Primary Exp Time:

Secondary Exp Time:

Event Filter?:
No
Filter Threshold:

Filter Range:

Bias Requested?:
No
Bias Frequency:

Bias After?:
No
Spatial Window?:
No

Abstract:
A population of intermediate black holes (IMBH) will allow us to solve one of the long-standing problems in modern astrophysics, the origin of supermassive black holes. We explore the published sample of 305 optically selected IMBH candidates (3e4

psci Run:
294
Processing Date:
Jul 18 2024
psci Directory:
/nfs/maaxnew/r3/fm/acis127c/acis127.log
OBSID:
26864
SIM Mode:
ACIS-S
OTG Mode:
NONE
Seq Number:
704785
Target Name:
SDSSJ112339.00+
AO:
24
Start VCDU:
31177:120
Start Time (UTC):
142:70748.200
Stop Time (UTC):
142:74222.557
Kilosecs:
3.5
% Frames:
100.0
# CCDs:
I6
# Frames:
1072
# Events:
103544
Events/sec:
29
PSCI errors:
0
% drops:
0.1
Bias Errs:
0
FP Temp:
-118.3
Parameter Block:
0x004a4034
Window Block:
-
# Windows:
0
FEP Mode:
Te5x5
BEP Mode:
F
Start Row:
0
# Rows:
1024
Primary Exposure:
32
Secondary Exposure:
0
Duty Cycle:
0
Summing?:
No
Bias?:
Yes
Trickle?:
Yes
Bias Run:
294


pgf@space.mit.edu Tue Apr 8 9:48:31 EST 2025